{
  "name": "Camera mount flange focal distance and adapter feasibility",
  "description": "Flange focal distance, throat diameter, mount type, sensor format and production years for interchangeable-lens camera mounts. A lens from mount A can be adapted to a body with mount B using a simple (non-optical) adapter when mount A's FFD exceeds mount B's FFD by enough margin for a physical ring. Answers 'can I put my old Minolta lenses on a Sony mirrorless body' and 'does a focal reducer exist for this pairing' \u2014 questions assistants answer from memory with approximate numbers they cannot cite.",
  "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/",
  "licence": "factual compilation; geometric specifications of camera mounts cited with attributed quotes, no source document reproduced",
  "last_verified": "2026-08-13",
  "stale_after": "2028-08-12",
  "sources": [
    "https://briansmith.com/flange-focal-distance-guide/",
    "https://en.wikipedia.org/wiki/Flange_focal_distance",
    "https://allphotolenses.com/articles/item/c_6.html",
    "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html"
  ],
  "records": [
    {
      "mount_name": "1/2″ TV bayonet mount",
      "flange_focal_distance_mm": "35.74 mm",
      "mount_type": "TV",
      "format": "1/2″ 3-CCD",
      "id": "1-2-8243-tv-bayonet-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/1-2-8243-tv-bayonet-mount/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "1/2″ TV bayonet mount | 35.74 mm | TV | 1/2″ 3-CCD",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "1/2\" TV bayonet mount",
      "flange_focal_distance_mm": "35.74",
      "mount_type": "TV",
      "format": "1/2\" 3-CCD",
      "id": "1-2-tv-bayonet-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/1-2-tv-bayonet-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "1/2\" TV bayonet mount | 35.74 mm | TV | 1/2\" 3-CCD | | | | | | JVC, Hitachi, Panasonic, others, but not Sony |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "16-SP",
      "flange_focal_distance_mm": "52",
      "mount_type": "Cine",
      "format": "16 mm",
      "production_years": "1965-1991",
      "id": "16-sp",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/16-sp/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "16-SP | 52 mm [ 23 ] | Cine | 16 mm | 1965-1991 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "1KSR-1M",
      "flange_focal_distance_mm": "57",
      "mount_type": "Cine",
      "format": "35 mm",
      "id": "1ksr-1m",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/1ksr-1m/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "1KSR-1M | 57 mm [ 25 ] | Cine | 35 mm |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "1KSR-2M",
      "flange_focal_distance_mm": "61",
      "mount_type": "Cine",
      "format": "35 mm",
      "id": "1ksr-2m",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/1ksr-2m/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "1KSR-2M | 61 mm [ 25 ] | Cine | 35 mm |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "4/3 (Four Thirds)",
      "flange_focal_distance_mm": "38.67",
      "mount_type": "SLR camera",
      "id": "4-3-four-thirds",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/4-3-four-thirds/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "4/3 (Four Thirds) | 38.67 | SLR camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "4/3 System digital",
      "flange_focal_distance_mm": "38.58",
      "mount_type": "bayonet",
      "throat_diameter_mm": "44",
      "id": "4-3-system-digital",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/4-3-system-digital/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "4/3 System digital | bayonet | 38.58 | 44 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Aaton mount",
      "flange_focal_distance_mm": "40.00",
      "mount_type": "cine",
      "format": "16 mm/S16",
      "id": "aaton-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/aaton-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Aaton mount | 40.00 mm | cine | 16 mm/S16 | | | | | | |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Alpa",
      "flange_focal_distance_mm": "37.8",
      "mount_type": "bayonet",
      "throat_diameter_mm": "42",
      "id": "alpa",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/alpa/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Alpa | bayonet | 37.8 | 42 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Altix",
      "flange_focal_distance_mm": "42.5",
      "mount_type": "breech lock",
      "throat_diameter_mm": "34",
      "id": "altix",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/altix/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Altix | breech lock | 42.5 | 34 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Argus",
      "flange_focal_distance_mm": "39",
      "mount_type": "38mm thread",
      "throat_diameter_mm": "38",
      "id": "argus",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/argus/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Argus | 38mm thread | 39 | 38 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "39",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Argus | 38mm thread | 39 | 38 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "41.9",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Argus | 33mm thread | 41.9 | 33 |",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "38mm thread",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Argus | 38mm thread | 39 | 38 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "33mm thread",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Argus | 33mm thread | 41.9 | 33 |",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "throat_diameter_mm",
          "versions": [
            {
              "value": "38",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Argus | 38mm thread | 39 | 38 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "33",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Argus | 33mm thread | 41.9 | 33 |",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Arri B",
      "flange_focal_distance_mm": "52.00",
      "mount_type": "cine",
      "id": "arri-b",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/arri-b/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Arri B | 52.00 mm | cine | | | | | | | |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "52.00",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Arri B | 52.00 mm | cine | | | | | | | |",
              "as_of": "2026-08-13"
            },
            {
              "value": "52.00 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Arri B | 52.00 mm | Cine",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "cine",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Arri B | 52.00 mm | cine | | | | | | | |",
              "as_of": "2026-08-13"
            },
            {
              "value": "Cine",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Arri B | 52.00 mm | Cine",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Arri LPL",
      "flange_focal_distance_mm": "44.00",
      "mount_type": "cine",
      "format": "25.54x36.70 mm",
      "production_years": "2018-",
      "id": "arri-lpl",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/arri-lpl/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Arri LPL | 44.00 mm | cine | 25.54x36.70 mm | 2018-",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "44.00",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Arri LPL | 44.00 mm | cine | 25.54x36.70 mm | 2018-",
              "as_of": "2026-08-13"
            },
            {
              "value": "44.00 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Arri LPL | 44.00 mm | Cine |",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "cine",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Arri LPL | 44.00 mm | cine | 25.54x36.70 mm | 2018-",
              "as_of": "2026-08-13"
            },
            {
              "value": "Cine",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Arri LPL | 44.00 mm | Cine |",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "25.54x36.70 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Arri LPL | 44.00 mm | cine | 25.54x36.70 mm | 2018-",
              "as_of": "2026-08-13"
            },
            {
              "value": "25.54\u00d736.70 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Arri LPL | 44.00 mm | Cine |",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Arri PL",
      "flange_focal_distance_mm": "52.00",
      "mount_type": "cine",
      "id": "arri-pl",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/arri-pl/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Arri PL | 52.00 mm | cine | | | | | | | |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "52.00",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Arri PL | 52.00 mm | cine | | | | | | | |",
              "as_of": "2026-08-13"
            },
            {
              "value": "52.00 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Arri PL | 52.00 mm | Cine",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "cine",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Arri PL | 52.00 mm | cine | | | | | | | |",
              "as_of": "2026-08-13"
            },
            {
              "value": "Cine",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Arri PL | 52.00 mm | Cine",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Arri Standard",
      "flange_focal_distance_mm": "52.00",
      "mount_type": "cine",
      "id": "arri-standard",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/arri-standard/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Arri Standard | 52.00 mm | cine | | | | | | | |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Arri STD",
      "flange_focal_distance_mm": "52.00 mm",
      "mount_type": "Cine",
      "id": "arri-std",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/arri-std/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Arri STD | 52.00 mm | Cine",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Asahiflex",
      "flange_focal_distance_mm": "45.46",
      "mount_type": "M37\u00d71 thread",
      "throat_diameter_mm": "37",
      "id": "asahiflex",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/asahiflex/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Asahiflex | M37\u00d71 thread | 45.46 | 37 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "B4 2/3″ TV bayonet mount",
      "flange_focal_distance_mm": "48.00 mm",
      "mount_type": "TV",
      "format": "2/3″ 3-CCD",
      "id": "b4-2-3-8243-tv-bayonet-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/b4-2-3-8243-tv-bayonet-mount/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "B4 2/3″ TV bayonet mount | 48.00 mm | TV | 2/3″ 3-CCD",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "B4-mount",
      "flange_focal_distance_mm": "48.00",
      "mount_type": "TV",
      "format": "2/3\" 3-CCD (9.6\u00d75.4 mm)",
      "production_years": "1992\u2013",
      "id": "b4-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/b4-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "B4-mount | 48.00 mm | TV | 2/3\" 3-CCD (9.6\u00d75.4 mm) | 1992\u2013 | | | | | Mount was in use since at least 1978, wasn't officially standardized until 1992. |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Braun Paxette Reflex DKL-mount",
      "flange_focal_distance_mm": "45.7",
      "mount_type": "SLR / Mirrorless",
      "format": "24\u00d736 mm",
      "id": "braun-paxette-reflex-dkl-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/braun-paxette-reflex-dkl-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "DKL-mount | 45.7 mm | SLR / Mirrorless | 24\u00d736 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_type"
      ]
    },
    {
      "mount_name": "Bronica SQ",
      "flange_focal_distance_mm": "85",
      "mount_type": "bayonet",
      "throat_diameter_mm": "78",
      "id": "bronica-sq",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/bronica-sq/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Bronica SQ | bayonet | 85 | 78 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "C-mount",
      "flange_focal_distance_mm": "17.526",
      "mount_type": "cine / TV",
      "format": "8 mm, 16 mm, 1/3\", 1/2\", 2/3\", 1\", 4/3\"",
      "production_years": "~1926\u2013",
      "id": "c-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/c-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "<https://en.wikipedia.org/wiki/C-mount> C-mount | 17.526 mm [ 8 ] | cine / TV | 8 mm, 16 mm, 1/3\", 1/2\", 2/3\", 1\", 4/3\" | ~1926\u2013 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "17.526",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "<https://en.wikipedia.org/wiki/C-mount> C-mount | 17.526 mm [ 8 ] | cine / TV | 8 mm, 16 mm, 1/3\", 1/2\", 2/3\", 1\", 4/3\" | ~1926\u2013 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "17.526 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "C-mount | 17.526 mm | Cine/TV |",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "cine / TV",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "<https://en.wikipedia.org/wiki/C-mount> C-mount | 17.526 mm [ 8 ] | cine / TV | 8 mm, 16 mm, 1/3\", 1/2\", 2/3\", 1\", 4/3\" | ~1926\u2013 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "Cine/TV",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "C-mount | 17.526 mm | Cine/TV |",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "8 mm, 16 mm, 1/3\", 1/2\", 2/3\", 1\", 4/3\"",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "<https://en.wikipedia.org/wiki/C-mount> C-mount | 17.526 mm [ 8 ] | cine / TV | 8 mm, 16 mm, 1/3\", 1/2\", 2/3\", 1\", 4/3\" | ~1926\u2013 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "8mm, 16mm, 1/3\", 1/2\", 2/3\", 1\", 4/3\"",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "C-mount | 17.526 mm | Cine/TV |",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "C/Y (Contax/Yashika)",
      "flange_focal_distance_mm": "45.5",
      "mount_type": "SLR 35mm camera",
      "id": "c-y-contax-yashika",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/c-y-contax-yashika/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "C/Y (Contax/Yashika) | 45.5 | SLR 35mm camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Canon EF-M-mount",
      "flange_focal_distance_mm": "18.00 mm",
      "mount_type": "Mirrorless",
      "format": "APS-C",
      "production_years": "2012\u2013",
      "id": "canon-ef-m-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/canon-ef-m-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Canon EF-M-mount | 18.00 mm | Mirrorless | APS-C | 2012\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": []
    },
    {
      "mount_name": "Canon EF-mount",
      "flange_focal_distance_mm": "44.00 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm / APS-H / APS-C",
      "production_years": "1987\u2013",
      "id": "canon-ef-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/canon-ef-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Canon EF-mount | 44.00 mm | SLR | 24\u00d736 mm / APS-H / APS-C | 1987\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm / APS-H / APS-C",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Canon EF-mount | 44.00 mm | SLR | 24\u00d736 mm / APS-H / APS-C | 1987\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm / APS-C",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Canon EF-mount | 44.00 mm | SLR | 24X36 mm / APS-C",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Canon EF(-S)",
      "flange_focal_distance_mm": "44",
      "mount_type": "SLR 35mm and APS-C camera",
      "id": "canon-ef-s",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/canon-ef-s/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Canon EF(-S) | 44 | SLR 35mm and APS-C camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Canon EF-S-mount",
      "flange_focal_distance_mm": "44.00 mm",
      "mount_type": "SLR",
      "format": "APS-C",
      "production_years": "2003\u2013",
      "id": "canon-ef-s-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/canon-ef-s-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Canon EF-S-mount | 44.00 mm | SLR | APS-C | 2003\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Canon EOS",
      "flange_focal_distance_mm": "44",
      "mount_type": "bayonet",
      "throat_diameter_mm": "54",
      "id": "canon-eos",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/canon-eos/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Canon EOS | bayonet | 44 | 54 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Canon FD-mount",
      "flange_focal_distance_mm": "42.00 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1971\u20131990",
      "id": "canon-fd-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/canon-fd-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Canon FD-mount | 42.00 mm | SLR | 24\u00d736 mm | 1971\u20131990",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Canon FD-mount | 42.00 mm | SLR | 24\u00d736 mm | 1971\u20131990",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Canon FD-mount | 42.00 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Canon FL-mount",
      "flange_focal_distance_mm": "42.00 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1964\u20131971",
      "id": "canon-fl-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/canon-fl-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Canon FL-mount | 42.00 mm | SLR | 24\u00d736 mm | 1964\u20131971",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Canon FL-mount | 42.00 mm | SLR | 24\u00d736 mm | 1964\u20131971",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Canon FL-mount | 42.00 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Canon R/FL/FD",
      "flange_focal_distance_mm": "42",
      "mount_type": "breech or bayonet",
      "throat_diameter_mm": "48",
      "id": "canon-r-fl-fd",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/canon-r-fl-fd/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Canon R/FL/FD | breech or bayonet | 42 | 48 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Canon R (FL, FD, FDn)",
      "flange_focal_distance_mm": "42",
      "mount_type": "SLR 35mm camera",
      "id": "canon-r-fl-fd-fdn",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/canon-r-fl-fd-fdn/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Canon R (FL, FD, FDn) | 42 | SLR 35mm camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Canon RF mount",
      "flange_focal_distance_mm": "20.00 mm",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm",
      "production_years": "2018\u2013",
      "id": "canon-rf-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/canon-rf-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Canon RF mount | 20.00 mm | Mirrorless | 24\u00d736 mm | 2018\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Canon RF mount | 20.00 mm | Mirrorless | 24\u00d736 mm | 2018\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm / APS-C",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Canon RF mount | 20.00 mm | Mirrorless | 24X36 mm / APS-C",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Canon screw",
      "flange_focal_distance_mm": "28.8",
      "mount_type": "M39\u00d71 thread",
      "throat_diameter_mm": "39",
      "id": "canon-screw",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/canon-screw/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Canon screw | M39\u00d71 thread | 28.8 | 39 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Contax 645",
      "flange_focal_distance_mm": "64.00 mm",
      "mount_type": "SLR",
      "format": "6\u00d74.5 cm",
      "production_years": "1999\u2013",
      "id": "contax-645",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/contax-645/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Contax 645 | 64.00 mm | SLR | 6\u00d74.5 cm | 1999\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "6\u00d74.5 cm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Contax 645 | 64.00 mm | SLR | 6\u00d74.5 cm | 1999\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "6X4.5 cm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Contax 645 | 64.00 mm | SLR | 6X4.5 cm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Contax C/Y-mount",
      "flange_focal_distance_mm": "45.50 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1974\u20132005",
      "id": "contax-c-y-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/contax-c-y-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Contax C/Y-mount | 45.50 mm | SLR | 24\u00d736 mm | 1974\u20132005",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Contax C/Y-mount | 45.50 mm | SLR | 24\u00d736 mm | 1974\u20132005",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Contax C/Y-mount | 45.50 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Contax G",
      "flange_focal_distance_mm": "29",
      "mount_type": "Rangefinder 35mm camera",
      "id": "contax-g",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/contax-g/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Contax G | 29 | Rangefinder 35mm camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Contax G-mount",
      "flange_focal_distance_mm": "29.00 mm",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm",
      "production_years": "1994\u20132005",
      "id": "contax-g-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/contax-g-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Contax G-mount | 29.00 mm | Mirrorless | 24\u00d736 mm | 1994\u20132005",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Contax G-mount | 29.00 mm | Mirrorless | 24\u00d736 mm | 1994\u20132005",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Contax G-mount | 29.00 mm | Mirrorless | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Contax G1",
      "flange_focal_distance_mm": "29",
      "mount_type": "bayonet",
      "throat_diameter_mm": "44",
      "id": "contax-g1",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/contax-g1/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Contax G1 | bayonet | 29 | 44 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Contax N",
      "flange_focal_distance_mm": "48.00 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "2000\u20132005",
      "id": "contax-n",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/contax-n/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Contax N | 48.00 mm | SLR | 24\u00d736 mm | 2000\u20132005",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "also_reported": [
        {
          "field": "throat_diameter_mm",
          "value": "55",
          "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
          "source_quote": "Contax N | bayonet | 48 | 55 |",
          "as_of": "2026-08-13"
        }
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "48.00 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Contax N | 48.00 mm | SLR | 24\u00d736 mm | 2000\u20132005",
              "as_of": "2026-08-13"
            },
            {
              "value": "48",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Contax N | bayonet | 48 | 55 |",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "SLR",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Contax N | 48.00 mm | SLR | 24\u00d736 mm | 2000\u20132005",
              "as_of": "2026-08-13"
            },
            {
              "value": "bayonet",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Contax N | bayonet | 48 | 55 |",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Contax-N",
      "flange_focal_distance_mm": "48",
      "mount_type": "SLR 35mm camera",
      "id": "contax-n-3",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/contax-n-3/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Contax-N | 48 | SLR 35mm camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Contax N-mount",
      "flange_focal_distance_mm": "48.00 mm",
      "mount_type": "SLR",
      "format": "24X36 mm",
      "id": "contax-n-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/contax-n-mount/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Contax N-mount | 48.00 mm | SLR | 24X36 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Contax RF",
      "flange_focal_distance_mm": "34.85",
      "mount_type": "dual bayonet",
      "throat_diameter_mm": "44",
      "id": "contax-rf",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/contax-rf/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Contax RF | dual bayonet | 34.85 | 44 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Contax RF-mount",
      "flange_focal_distance_mm": "34.85 mm",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm",
      "id": "contax-rf-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/contax-rf-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Contax RF-mount | 34.85 mm | Mirrorless | 24\u00d736 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Contax RF-mount | 34.85 mm | Mirrorless | 24\u00d736 mm",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Contax RF-mount | 34.85 mm | Mirrorless | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Contax/Yashica",
      "flange_focal_distance_mm": "45.5",
      "mount_type": "bayonet",
      "throat_diameter_mm": "48",
      "id": "contax-yashica",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/contax-yashica/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Contax/Yashica | bayonet | 45.5 | 48 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "CS-mount",
      "flange_focal_distance_mm": "12.526",
      "mount_type": "TV",
      "format": "1/4\", 1/3\", 1/2\"",
      "id": "cs-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/cs-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "CS-mount | 12.526 mm [ 3 ] [ 4 ] [ 5 ] | TV | 1/4\", 1/3\", 1/2\" | | | | | | (surveillance cameras) |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "12.526",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "CS-mount | 12.526 mm [ 3 ] [ 4 ] [ 5 ] | TV | 1/4\", 1/3\", 1/2\" | | | | | | (surveillance cameras) |",
              "as_of": "2026-08-13"
            },
            {
              "value": "12.50 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "CS-mount | 12.50 mm | TV |",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "D-mount",
      "flange_focal_distance_mm": "12.29",
      "mount_type": "cine",
      "format": "8 mm",
      "id": "d-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/d-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "D-mount | 12.29 mm | cine | 8 mm | | | | | | (8 mm movie cameras) |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "12.29",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "D-mount | 12.29 mm | cine | 8 mm | | | | | | (8 mm movie cameras) |",
              "as_of": "2026-08-13"
            },
            {
              "value": "12.29 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "D-mount | 12.29 mm | Cine | 8mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "cine",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "D-mount | 12.29 mm | cine | 8 mm | | | | | | (8 mm movie cameras) |",
              "as_of": "2026-08-13"
            },
            {
              "value": "Cine",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "D-mount | 12.29 mm | Cine | 8mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "8 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "D-mount | 12.29 mm | cine | 8 mm | | | | | | (8 mm movie cameras) |",
              "as_of": "2026-08-13"
            },
            {
              "value": "8mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "D-mount | 12.29 mm | Cine | 8mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "DJI DL-mount",
      "flange_focal_distance_mm": "16.84",
      "mount_type": "Mirrorless",
      "format": "Super 35",
      "production_years": "2017\u2013",
      "id": "dji-dl-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/dji-dl-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "DJI DL-mount | 16.84 mm [ 6 ] | Mirrorless | Super 35 | 2017\u2013 | 6 | 1 | | | For use on aerial drone and gimbal cameras. |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "16.84",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "DJI DL-mount | 16.84 mm [ 6 ] | Mirrorless | Super 35 | 2017\u2013 | 6 | 1 | | | For use on aerial drone and gimbal cameras. |",
              "as_of": "2026-08-13"
            },
            {
              "value": "16.84 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "DJI DL-mount | 16.84 mm | Mirrorless | 24X36 mm / APS-C",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "Super 35",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "DJI DL-mount | 16.84 mm [ 6 ] | Mirrorless | Super 35 | 2017\u2013 | 6 | 1 | | | For use on aerial drone and gimbal cameras. |",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm / APS-C",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "DJI DL-mount | 16.84 mm | Mirrorless | 24X36 mm / APS-C",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Exakta",
      "flange_focal_distance_mm": "44.7 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1936\u20131969",
      "id": "exakta",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/exakta/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Exakta | 44.7 mm [ 17 ] | SLR | 24\u00d736 mm | 1936\u20131969",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "44.7 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Exakta | 44.7 mm [ 17 ] | SLR | 24\u00d736 mm | 1936\u20131969",
              "as_of": "2026-08-13"
            },
            {
              "value": "44.70 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Exakta | 44.70 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Exakta | 44.7 mm [ 17 ] | SLR | 24\u00d736 mm | 1936\u20131969",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Exakta | 44.70 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Exakta 66",
      "flange_focal_distance_mm": "74.1",
      "mount_type": "breech lock",
      "throat_diameter_mm": "60",
      "id": "exakta-66",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/exakta-66/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Exakta 66 | breech lock | 74.1 | 60 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Exakta, Topcon",
      "flange_focal_distance_mm": "44.7",
      "mount_type": "SLR 35mm camera",
      "id": "exakta-topcon",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/exakta-topcon/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Exakta, Topcon | 44.7 | SLR 35mm camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Exakta/Topcon RE",
      "flange_focal_distance_mm": "44.7",
      "mount_type": "bayonet",
      "throat_diameter_mm": "46",
      "id": "exakta-topcon-re",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/exakta-topcon-re/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Exakta/Topcon RE | bayonet | 44.7 | 46 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Fujica X",
      "flange_focal_distance_mm": "43.5",
      "mount_type": "bayonet",
      "throat_diameter_mm": "49",
      "id": "fujica-x",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/fujica-x/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Fujica X | bayonet | 43.5 | 49 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Fujica-X",
      "flange_focal_distance_mm": "43.5",
      "mount_type": "SLR 35mm camera",
      "id": "fujica-x-2",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/fujica-x-2/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Fujica-X | 43.5 | SLR 35mm camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Fujica X-mount",
      "flange_focal_distance_mm": "43.50 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1980\u20131985",
      "id": "fujica-x-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/fujica-x-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Fujica X-mount | 43.50 mm | SLR | 24\u00d736 mm | 1980\u20131985",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Fujica X-mount | 43.50 mm | SLR | 24\u00d736 mm | 1980\u20131985",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Fujica X-mount | 43.50 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Fujifilm G-mount",
      "flange_focal_distance_mm": "26.7 mm",
      "mount_type": "Mirrorless",
      "format": "Medium Format (127) 43.8\u00d732.9 mm",
      "production_years": "2017\u2013",
      "id": "fujifilm-g-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/fujifilm-g-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Fujifilm G-mount | 26.7 mm | Mirrorless | Medium Format (127) 43.8\u00d732.9 mm | 2017\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Fujifilm G mount",
      "flange_focal_distance_mm": "26.7 mm",
      "mount_type": "Mirrorless",
      "format": "Medium Format 43.8\u00d732.9 mm",
      "id": "fujifilm-g-mount-2",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/fujifilm-g-mount-2/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Fujifilm G mount | 26.7 mm | Mirrorless | Medium Format 43.8\u00d732.9 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Fujifilm X-mount",
      "flange_focal_distance_mm": "17.7 mm",
      "mount_type": "Mirrorless",
      "format": "APS-C",
      "production_years": "2012\u2013",
      "id": "fujifilm-x-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/fujifilm-x-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Fujifilm X-mount | 17.7 mm | Mirrorless | APS-C | 2012\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "17.7 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Fujifilm X-mount | 17.7 mm | Mirrorless | APS-C | 2012\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "17.70 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Fujifilm X-mount | 17.70 mm | Mirrorless | APS-C",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Hasselblad",
      "flange_focal_distance_mm": "74.9",
      "mount_type": "Medium format camera",
      "id": "hasselblad",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/hasselblad/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Hasselblad | 74.9 | Medium format camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Hasselblad 1000F & 1600F",
      "flange_focal_distance_mm": "82.10 mm",
      "mount_type": "SLR",
      "format": "6\u00d76 cm",
      "production_years": "1948\u20131957",
      "id": "hasselblad-1000f-1600f",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/hasselblad-1000f-1600f/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Hasselblad 1000F & 1600F | 82.10 mm | SLR | 6\u00d76 cm | 1948\u20131957",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Hasselblad 1000F/1600F",
      "flange_focal_distance_mm": "82.1",
      "mount_type": "multi start thread",
      "throat_diameter_mm": "78",
      "id": "hasselblad-1000f-1600f-2",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/hasselblad-1000f-1600f-2/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Hasselblad 1000F/1600F | multi start thread | 82.1 | 78 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Hasselblad 1000F / 1600F",
      "flange_focal_distance_mm": "82.10 mm",
      "mount_type": "SLR",
      "format": "6X6 cm",
      "id": "hasselblad-1000f-1600f-3",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/hasselblad-1000f-1600f-3/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Hasselblad 1000F / 1600F | 82.10 mm | SLR | 6X6 cm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Hasselblad 500/2000",
      "flange_focal_distance_mm": "74.9",
      "mount_type": "bayonet",
      "throat_diameter_mm": "69",
      "id": "hasselblad-500-2000",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/hasselblad-500-2000/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Hasselblad 500/2000 | bayonet | 74.9 | 69 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Hasselblad 500 / 2000",
      "flange_focal_distance_mm": "74.90 mm",
      "mount_type": "SLR",
      "format": "6X6 cm",
      "id": "hasselblad-500-2000-2",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/hasselblad-500-2000-2/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Hasselblad 500 / 2000 | 74.90 mm | SLR | 6X6 cm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Hasselblad H-mount",
      "flange_focal_distance_mm": "61.63 mm",
      "mount_type": "SLR",
      "format": "6\u00d74.5 cm",
      "production_years": "2002\u2013",
      "id": "hasselblad-h-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/hasselblad-h-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Hasselblad H-mount | 61.63 mm | SLR | 6\u00d74.5 cm | 2002\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Hasselblad V-mount",
      "flange_focal_distance_mm": "74.90 mm",
      "mount_type": "SLR",
      "format": "6\u00d76 cm",
      "production_years": "1957\u20132013",
      "id": "hasselblad-v-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/hasselblad-v-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Hasselblad V-mount | 74.90 mm | SLR | 6\u00d76 cm | 1957\u20132013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Hasselblad XCD mount",
      "flange_focal_distance_mm": "18.14 mm",
      "mount_type": "Mirrorless",
      "format": "Medium Format (127) 43.8\u00d732.9 mm",
      "production_years": "2017\u2013",
      "id": "hasselblad-xcd-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/hasselblad-xcd-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Hasselblad XCD mount | 18.14 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "Medium Format (127) 43.8\u00d732.9 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Hasselblad XCD mount | 18.14 mm",
              "as_of": "2026-08-13"
            },
            {
              "value": "Medium Format 43.8\u00d732.9 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Hasselblad XCD mount | 18.14 mm | Mirrorless | Medium Format 43.8\u00d732.9 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Hasselblad XPan",
      "flange_focal_distance_mm": "34.27 mm",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm & 24\u00d765 mm",
      "production_years": "1998\u20132003",
      "id": "hasselblad-xpan",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/hasselblad-xpan/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Hasselblad XPan | 34.27 mm | Mirrorless | 24\u00d736 mm & 24\u00d765 mm | 1998\u20132003",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "also_reported": [
        {
          "field": "throat_diameter_mm",
          "value": "46",
          "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
          "source_quote": "Hasselblad Xpan | bayonet | 34.27 | 46 |",
          "as_of": "2026-08-13"
        }
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "34.27 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Hasselblad XPan | 34.27 mm | Mirrorless | 24\u00d736 mm & 24\u00d765 mm | 1998\u20132003",
              "as_of": "2026-08-13"
            },
            {
              "value": "34.27",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Hasselblad Xpan | bayonet | 34.27 | 46 |",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "Mirrorless",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Hasselblad XPan | 34.27 mm | Mirrorless | 24\u00d736 mm & 24\u00d765 mm | 1998\u20132003",
              "as_of": "2026-08-13"
            },
            {
              "value": "bayonet",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Hasselblad Xpan | bayonet | 34.27 | 46 |",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "JVC 1/3&#8243; bayonet mount",
      "flange_focal_distance_mm": "25.00 mm",
      "mount_type": "TV",
      "format": "1/3&#8243; 3-CCD",
      "id": "jvc-1-3-8243-bayonet-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/jvc-1-3-8243-bayonet-mount/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "JVC 1/3&#8243; bayonet mount | 25.00 mm | TV | 1/3&#8243; 3-CCD",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "JVC 1/3\" bayonet mount",
      "flange_focal_distance_mm": "25.00",
      "mount_type": "TV",
      "format": "1/3\" 3-CCD (5.24\u00d72.94 mm)",
      "id": "jvc-1-3-bayonet-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/jvc-1-3-bayonet-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "1/3\" bayonet mount | 25.00 mm | TV | 1/3\" 3-CCD (5.24\u00d72.94 mm)",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_type"
      ]
    },
    {
      "mount_name": "Kiev-16U",
      "flange_focal_distance_mm": "31",
      "mount_type": "Cine",
      "format": "16 mm",
      "id": "kiev-16u",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/kiev-16u/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "<https://en.wikipedia.org/wiki/Kiev_16U_16mm_cine_camera> Kiev-16U | 31 mm [ 24 ] | Cine | 16 mm |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Kiev 60/Kiev Six",
      "flange_focal_distance_mm": "74.1",
      "mount_type": "breech lock",
      "throat_diameter_mm": "60",
      "id": "kiev-60-kiev-six",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/kiev-60-kiev-six/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Kiev 60/Kiev Six | breech lock | 74.1 | 60 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Kiev-88, Salut",
      "flange_focal_distance_mm": "82.1",
      "mount_type": "Medium format camera",
      "id": "kiev-88-salut",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/kiev-88-salut/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Kiev-88, Salut | 82.1 | Medium format camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Kiev 88, Salut, Zenit 80",
      "flange_focal_distance_mm": "82.1",
      "mount_type": "multi start thread",
      "throat_diameter_mm": "78",
      "id": "kiev-88-salut-zenit-80",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/kiev-88-salut-zenit-80/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Kiev 88, Salut, Zenit 80 | multi start thread | 82.1 | 78 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Kiev Automat",
      "flange_focal_distance_mm": "44.00",
      "mount_type": "SLR",
      "format": "24x36 mm",
      "production_years": "1960s-1980s",
      "id": "kiev-automat",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/kiev-automat/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "<https://en.wikipedia.org/wiki/Kiev_(brand)#Kiev_Automat_SLRs> Kiev Automat | 44.00 mm [ 15 ] | SLR | 24x36 mm | 1960s-1980s |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "KMZ Zenit DKL-mount",
      "flange_focal_distance_mm": "47.58",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1964\u20131968",
      "id": "kmz-zenit-dkl-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/kmz-zenit-dkl-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "DKL-mount | 47.58 mm | SLR | 24\u00d736 mm | 1964\u20131968",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "47.58",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "DKL-mount | 47.58 mm | SLR | 24\u00d736 mm | 1964\u20131968",
              "as_of": "2026-08-13"
            },
            {
              "value": "47.58 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "KMZ Zenit DKL-mount | 47.58 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "DKL-mount | 47.58 mm | SLR | 24\u00d736 mm | 1964\u20131968",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "KMZ Zenit DKL-mount | 47.58 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Kodak Retina DKL-mount",
      "flange_focal_distance_mm": "45.7 mm",
      "mount_type": "SLR / Mirrorless",
      "format": "24\u00d736 mm / 28\u00d728 mm",
      "production_years": "1958\u20131977",
      "id": "kodak-retina-dkl-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/kodak-retina-dkl-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Kodak Retina <https://en.wikipedia.org/wiki/DKL-mount#Retina> DKL-mount | 45.7 mm",
      "verified_fields": [
        "flange_focal_distance_mm"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "45.7 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Kodak Retina <https://en.wikipedia.org/wiki/DKL-mount#Retina> DKL-mount | 45.7 mm",
              "as_of": "2026-08-13"
            },
            {
              "value": "45.70 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Kodak Retina DKL-mount | 45.70 mm | SLR | 24X36 mm / 28X28mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "SLR / Mirrorless",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Kodak Retina <https://en.wikipedia.org/wiki/DKL-mount#Retina> DKL-mount | 45.7 mm",
              "as_of": "2026-08-13"
            },
            {
              "value": "SLR",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Kodak Retina DKL-mount | 45.70 mm | SLR | 24X36 mm / 28X28mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm / 28\u00d728 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Kodak Retina <https://en.wikipedia.org/wiki/DKL-mount#Retina> DKL-mount | 45.7 mm",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm / 28X28mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Kodak Retina DKL-mount | 45.70 mm | SLR | 24X36 mm / 28X28mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Kodak Retina Reflex",
      "flange_focal_distance_mm": "44.7",
      "mount_type": "bayonet",
      "throat_diameter_mm": "38",
      "id": "kodak-retina-reflex",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/kodak-retina-reflex/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Kodak Retina Reflex | bayonet | 44.7 | 38 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Konica AR-mount",
      "flange_focal_distance_mm": "40.50 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1965\u20131988",
      "id": "konica-ar-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/konica-ar-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Konica AR-mount | 40.50 mm | SLR | 24\u00d736 mm | 1965\u20131988",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Konica AR-mount | 40.50 mm | SLR | 24\u00d736 mm | 1965\u20131988",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Konica AR-mount | 40.50 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Konica Autoreflex",
      "flange_focal_distance_mm": "40.5",
      "mount_type": "bayonet",
      "throat_diameter_mm": "47",
      "id": "konica-autoreflex",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/konica-autoreflex/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Konica Autoreflex | bayonet | 40.5 | 47 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Konica F (A/R)",
      "flange_focal_distance_mm": "40.5",
      "mount_type": "SLR 35mm camera",
      "id": "konica-f-a-r",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/konica-f-a-r/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Konica F (A/R) | 40.5 | SLR 35mm camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Konica F-mount",
      "flange_focal_distance_mm": "40.50 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1960\u20131965",
      "id": "konica-f-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/konica-f-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Konica F-mount | 40.50 mm | SLR | 24\u00d736 mm | 1960\u20131965",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Konica F-mount | 40.50 mm | SLR | 24\u00d736 mm | 1960\u20131965",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Konica F-mount | 40.50 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Kowa Six/Super 66",
      "flange_focal_distance_mm": "79.00 mm",
      "mount_type": "SLR",
      "format": "6\u00d76 cm",
      "production_years": "1968\u20131974",
      "id": "kowa-six-super-66",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/kowa-six-super-66/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Kowa Six/Super 66 | 79.00 mm | SLR | 6\u00d76 cm | 1968\u20131974",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "L-Mount",
      "flange_focal_distance_mm": "20.00 mm",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm, APS-C",
      "production_years": "2014\u2013",
      "id": "l-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/l-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "L-Mount [ 10 ] (Leica, Panasonic Lumix, Sigma, DJI, et al.) | 20.00 mm | Mirrorless | 24\u00d736 mm, APS-C | 2014\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Leica L-mount",
      "flange_focal_distance_mm": "20.00 mm",
      "mount_type": "Mirrorless",
      "format": "24X36 mm / APS-C",
      "id": "leica-l-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/leica-l-mount/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Leica L-mount | 20.00 mm | Mirrorless | 24X36 mm / APS-C",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Leica M",
      "flange_focal_distance_mm": "27.95",
      "mount_type": "bayonet",
      "throat_diameter_mm": "44",
      "id": "leica-m",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/leica-m/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Leica M | bayonet | 27.95 | 44 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "27.95",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Leica M | bayonet | 27.95 | 44 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "27.8",
              "source": "https://allphotolenses.com/articles/item/c_6.html",
              "source_quote": "Leica M | 27.8 | Rangefinder 35mm camera",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "bayonet",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Leica M | bayonet | 27.95 | 44 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "Rangefinder 35mm camera",
              "source": "https://allphotolenses.com/articles/item/c_6.html",
              "source_quote": "Leica M | 27.8 | Rangefinder 35mm camera",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Leica M-mount",
      "flange_focal_distance_mm": "27.8 (inner rails) <-> 27.95 (outer rails) mm",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm",
      "production_years": "1954\u2013",
      "id": "leica-m-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/leica-m-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Leica M-mount | 27.8 (inner rails) <-> 27.95 (outer rails) mm [ 9 ] | Mirrorless | 24\u00d736 mm | 1954\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "27.8 (inner rails) <-> 27.95 (outer rails) mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Leica M-mount | 27.8 (inner rails) <-> 27.95 (outer rails) mm [ 9 ] | Mirrorless | 24\u00d736 mm | 1954\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "27.80 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Leica M-mount | 27.80 mm | Mirrorless | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Leica M-mount | 27.8 (inner rails) <-> 27.95 (outer rails) mm [ 9 ] | Mirrorless | 24\u00d736 mm | 1954\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Leica M-mount | 27.80 mm | Mirrorless | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Leica M39 mount",
      "flange_focal_distance_mm": "28.80 mm",
      "mount_type": "Mirrorless",
      "format": "24X36 mm",
      "id": "leica-m39-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/leica-m39-mount/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Leica M39 mount | 28.80 mm | Mirrorless | 24X36 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Leica m39 screw mount",
      "flange_focal_distance_mm": "28.8",
      "mount_type": "Rangefinder 35mm camera",
      "id": "leica-m39-screw-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/leica-m39-screw-mount/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Leica m39 screw mount | 28.8 | Rangefinder 35mm camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Leica R",
      "flange_focal_distance_mm": "47",
      "mount_type": "bayonet",
      "throat_diameter_mm": "49",
      "id": "leica-r",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/leica-r/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Leica R | bayonet | 47 | 49 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ],
      "disagreements": [
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "bayonet",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Leica R | bayonet | 47 | 49 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "SLR 35mm camera",
              "source": "https://allphotolenses.com/articles/item/c_6.html",
              "source_quote": "Leica R | 47 | SLR 35mm camera",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Leica R-mount",
      "flange_focal_distance_mm": "47.00 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1964\u20132009",
      "id": "leica-r-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/leica-r-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Leica R-mount | 47.00 mm | SLR | 24\u00d736 mm | 1964\u20132009",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Leica R-mount | 47.00 mm | SLR | 24\u00d736 mm | 1964\u20132009",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Leica R-mount | 47.00 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Leica S-mount",
      "flange_focal_distance_mm": "53.00 mm",
      "mount_type": "SLR",
      "format": "45\u00d730 mm",
      "production_years": "1996\u2013",
      "id": "leica-s-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/leica-s-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Leica S-mount | 53.00 mm | SLR | 45\u00d730 mm | 1996\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": []
    },
    {
      "mount_name": "Leica screw",
      "flange_focal_distance_mm": "28.8",
      "mount_type": "M39\u00d726tpi",
      "throat_diameter_mm": "39",
      "id": "leica-screw",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/leica-screw/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Leica screw | M39\u00d726tpi | 28.8 | 39 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Leitz Visoflex II, III",
      "flange_focal_distance_mm": "40",
      "mount_type": "Leica M bayonet",
      "throat_diameter_mm": "44",
      "id": "leitz-visoflex-ii-iii",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/leitz-visoflex-ii-iii/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Leitz Visoflex II, III | Leica M bayonet | 40 | 44 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "LUMIX Panasonic",
      "flange_focal_distance_mm": "20.00",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm, APS-C",
      "production_years": "2015\u2013",
      "id": "lumix-panasonic",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/lumix-panasonic/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "LUMIX Panasonic [ 11 ] | 20.00 mm | Mirrorless | 24\u00d736 mm, APS-C | 2015\u2013 | 8 | 9 | | 7 | L-mount system |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "M37\u00d71",
      "flange_focal_distance_mm": "45.46",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1952-1957",
      "id": "m37-1",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/m37-1/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "M37\u00d71 | 45.46 mm | SLR | 24\u00d736 mm | 1952-1957 | | | | | Asahiflex I, Asahiflex IA (Tower 23), Asahiflex IIB (Tower 23/24), Asahiflex IIA (Tower 22) |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "m39",
      "flange_focal_distance_mm": "45.2",
      "mount_type": "SLR 35mm camera",
      "id": "m39",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/m39/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "m39 | 45.2 | SLR 35mm camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "M39\u00d71/28.8 mount",
      "flange_focal_distance_mm": "28.80 mm",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm",
      "production_years": "1948-1978",
      "id": "m39-1-28-8-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/m39-1-28-8-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "M39\u00d71/28.8 mount | 28.80 mm [ 12 ] | Mirrorless | 24\u00d736 mm | 1948-1978",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "M39\u00d726tpi mount",
      "flange_focal_distance_mm": "28.80 mm",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm",
      "id": "m39-26tpi-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/m39-26tpi-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "M39\u00d726tpi mount | 28.80 mm | Mirrorless | 24\u00d736 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "M39x1",
      "flange_focal_distance_mm": "44.00",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm",
      "production_years": "1950s",
      "id": "m39x1",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/m39x1/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "M39x1 | 44.00 mm [ 14 ] | Mirrorless | 24\u00d736 mm | 1950s | | | | | Braun Paxette rangefinder cameras |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "44.00",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "M39x1 | 44.00 mm [ 14 ] | Mirrorless | 24\u00d736 mm | 1950s | | | | | Braun Paxette rangefinder cameras |",
              "as_of": "2026-08-13"
            },
            {
              "value": "45.20",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "M39x1 | 45.20 mm [ 18 ] | SLR | 24\u00d736 mm | 1952\u20131968 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "45.46 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "M39x1 | 45.46 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "Mirrorless",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "M39x1 | 44.00 mm [ 14 ] | Mirrorless | 24\u00d736 mm | 1950s | | | | | Braun Paxette rangefinder cameras |",
              "as_of": "2026-08-13"
            },
            {
              "value": "SLR",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "M39x1 | 45.20 mm [ 18 ] | SLR | 24\u00d736 mm | 1952\u20131968 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "SLR",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "M39x1 | 45.46 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "M39x1 | 44.00 mm [ 14 ] | Mirrorless | 24\u00d736 mm | 1950s | | | | | Braun Paxette rangefinder cameras |",
              "as_of": "2026-08-13"
            },
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "M39x1 | 45.20 mm [ 18 ] | SLR | 24\u00d736 mm | 1952\u20131968 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "M39x1 | 45.46 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "production_years",
          "versions": [
            {
              "value": "1950s",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "M39x1 | 44.00 mm [ 14 ] | Mirrorless | 24\u00d736 mm | 1950s | | | | | Braun Paxette rangefinder cameras |",
              "as_of": "2026-08-13"
            },
            {
              "value": "1952\u20131968",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "M39x1 | 45.20 mm [ 18 ] | SLR | 24\u00d736 mm | 1952\u20131968 |",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "M42",
      "flange_focal_distance_mm": "45.46 mm",
      "mount_type": "SLR",
      "format": "24X36 mm",
      "id": "m42",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/m42/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "M42 | 45.46 mm | SLR | 24X36 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "45.46 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "M42 | 45.46 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            },
            {
              "value": "45.5",
              "source": "https://allphotolenses.com/articles/item/c_6.html",
              "source_quote": "m42 | 45.5 | SLR 35mm camera",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "SLR",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "M42 | 45.46 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            },
            {
              "value": "SLR 35mm camera",
              "source": "https://allphotolenses.com/articles/item/c_6.html",
              "source_quote": "m42 | 45.5 | SLR 35mm camera",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "M42\u00d71",
      "flange_focal_distance_mm": "45.46 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1949\u2013",
      "id": "m42-1",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/m42-1/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "M42\u00d71 | 45.46 mm | SLR | 24\u00d736 mm | 1949\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "M42: Pentax, Praktica, Contax S, \u2026",
      "flange_focal_distance_mm": "45.46",
      "mount_type": "M42\u00d71 thread",
      "throat_diameter_mm": "42",
      "id": "m42-pentax-praktica-contax-s",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/m42-pentax-praktica-contax-s/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "M42: Pentax, Praktica, Contax S, \u2026 | M42\u00d71 thread | 45.46 | 42 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "M58\u00d70.75 mm mount",
      "flange_focal_distance_mm": "12",
      "mount_type": "Industrial",
      "format": "24\u00d736 mm",
      "id": "m58-0-75-mm-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/m58-0-75-mm-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "M58\u00d70.75 mm mount | 12 mm | Industrial | 24\u00d736 mm | | | | | | Industrial area and line scan cameras |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Mamiya 6",
      "flange_focal_distance_mm": "56.20 mm",
      "mount_type": "Mirrorless",
      "format": "6\u00d76 cm",
      "production_years": "1989\u20131995",
      "id": "mamiya-6",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/mamiya-6/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Mamiya 6 | 56.20 mm | Mirrorless | 6\u00d76 cm | 1989\u20131995",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Mamiya 645",
      "flange_focal_distance_mm": "63.30 mm",
      "mount_type": "SLR",
      "format": "6\u00d74.5 cm",
      "production_years": "1975\u2013",
      "id": "mamiya-645",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/mamiya-645/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Mamiya 645 | 63.30 mm | SLR | 6\u00d74.5 cm | 1975\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "also_reported": [
        {
          "field": "throat_diameter_mm",
          "value": "62",
          "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
          "source_quote": "Mamiya 645 | bayonet | 63.3 | 62 |",
          "as_of": "2026-08-13"
        }
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "63.30 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Mamiya 645 | 63.30 mm | SLR | 6\u00d74.5 cm | 1975\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "63.3",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Mamiya 645 | bayonet | 63.3 | 62 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "63.30 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Mamiya 645 | 63.30 mm | SLR | 6X4.5 cm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "SLR",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Mamiya 645 | 63.30 mm | SLR | 6\u00d74.5 cm | 1975\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "bayonet",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Mamiya 645 | bayonet | 63.3 | 62 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "SLR",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Mamiya 645 | 63.30 mm | SLR | 6X4.5 cm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "6\u00d74.5 cm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Mamiya 645 | 63.30 mm | SLR | 6\u00d74.5 cm | 1975\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "6X4.5 cm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Mamiya 645 | 63.30 mm | SLR | 6X4.5 cm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Mamiya 7",
      "flange_focal_distance_mm": "59.00 mm",
      "mount_type": "Mirrorless",
      "format": "6\u00d77 cm",
      "production_years": "1995\u20132014",
      "id": "mamiya-7",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/mamiya-7/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Mamiya 7 | 59.00 mm | Mirrorless | 6\u00d77 cm | 1995\u20132014",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Mamiya 7/7II",
      "flange_focal_distance_mm": "59",
      "mount_type": "bayonet",
      "throat_diameter_mm": "49",
      "id": "mamiya-7-7ii",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/mamiya-7-7ii/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Mamiya 7/7II | bayonet | 59 | 49 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Mamiya RB",
      "flange_focal_distance_mm": "112.00 mm",
      "mount_type": "SLR",
      "format": "6\u00d77 cm",
      "production_years": "1970\u2013",
      "id": "mamiya-rb",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/mamiya-rb/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Mamiya RB | 112.00 mm | SLR | 6\u00d77 cm | 1970\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "also_reported": [
        {
          "field": "throat_diameter_mm",
          "value": "60",
          "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
          "source_quote": "Mamiya RB | bayonet | 112 | 60 |",
          "as_of": "2026-08-13"
        }
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "112.00 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Mamiya RB | 112.00 mm | SLR | 6\u00d77 cm | 1970\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "112",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Mamiya RB | bayonet | 112 | 60 |",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "SLR",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Mamiya RB | 112.00 mm | SLR | 6\u00d77 cm | 1970\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "bayonet",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Mamiya RB | bayonet | 112 | 60 |",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Mamiya RB67",
      "flange_focal_distance_mm": "111.00 mm",
      "mount_type": "SLR",
      "format": "6X7 cm",
      "id": "mamiya-rb67",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/mamiya-rb67/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Mamiya RB67 | 111.00 mm | SLR | 6X7 cm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Mamiya RZ",
      "flange_focal_distance_mm": "105.00 mm",
      "mount_type": "SLR",
      "format": "6\u00d77 cm",
      "production_years": "1982\u2013",
      "id": "mamiya-rz",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/mamiya-rz/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Mamiya RZ | 105.00 mm | SLR | 6\u00d77 cm | 1982\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "also_reported": [
        {
          "field": "throat_diameter_mm",
          "value": "60",
          "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
          "source_quote": "Mamiya RZ | bayonet | 105 | 60 |",
          "as_of": "2026-08-13"
        }
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "105.00 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Mamiya RZ | 105.00 mm | SLR | 6\u00d77 cm | 1982\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "105",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Mamiya RZ | bayonet | 105 | 60 |",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "SLR",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Mamiya RZ | 105.00 mm | SLR | 6\u00d77 cm | 1982\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "bayonet",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Mamiya RZ | bayonet | 105 | 60 |",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Mamiya RZ67",
      "flange_focal_distance_mm": "105.00 mm",
      "mount_type": "SLR",
      "format": "6X7 cm",
      "id": "mamiya-rz67",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/mamiya-rz67/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Mamiya RZ67 | 105.00 mm | SLR | 6X7 cm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Mamiya/Sekor E",
      "flange_focal_distance_mm": "43.5",
      "mount_type": "bayonet",
      "throat_diameter_mm": "49",
      "id": "mamiya-sekor-e",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/mamiya-sekor-e/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Mamiya/Sekor E | bayonet | 43.5 | 49 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Mamiya Z",
      "flange_focal_distance_mm": "45.50 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1980\u2013",
      "id": "mamiya-z",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/mamiya-z/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Mamiya Z | 45.50 mm | SLR | 24\u00d736 mm | 1980\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Micro 4/3 (Micro Four Thirds)",
      "flange_focal_distance_mm": "20",
      "mount_type": "Mirrorless (Evil) camera",
      "id": "micro-4-3-micro-four-thirds",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/micro-4-3-micro-four-thirds/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Micro 4/3 (Micro Four Thirds) | 20 | Mirrorless (Evil) camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Micro Four Thirds",
      "flange_focal_distance_mm": "19.25 mm",
      "mount_type": "Mirrorless",
      "format": "17.3 x 13 mm",
      "id": "micro-four-thirds",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/micro-four-thirds/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Micro Four Thirds | 19.25 mm | Mirrorless | 17.3 x 13 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Micro Four Thirds System",
      "flange_focal_distance_mm": "19.25 mm",
      "mount_type": "Mirrorless",
      "format": "4/3\"",
      "production_years": "2008\u2013",
      "id": "micro-four-thirds-system",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/micro-four-thirds-system/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Micro Four Thirds System | 19.25 mm | Mirrorless | 4/3\" | 2008\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Mini T-mount",
      "flange_focal_distance_mm": "55.00",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1957\u20131962",
      "id": "mini-t-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/mini-t-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Mini T-mount | 55.00 mm | SLR | 24\u00d736 mm | 1957\u20131962 | | | | | Taisei, M37\u00d70.75 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Minolta AF/Sony Alpha",
      "flange_focal_distance_mm": "44.5",
      "mount_type": "bayonet",
      "throat_diameter_mm": "49.7",
      "id": "minolta-af-sony-alpha",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/minolta-af-sony-alpha/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Minolta AF/Sony Alpha | bayonet | 44.5 | 49.7 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Minolta / Konica Minolta / Sony A-mount",
      "flange_focal_distance_mm": "44.50 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1985\u2013",
      "id": "minolta-konica-minolta-sony-a-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/minolta-konica-minolta-sony-a-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Minolta_A-mount> Konica Minolta / <https://en.wikipedia.org/wiki/Sony_A-mount> Sony A-mount | 44.50 mm",
      "verified_fields": [
        "flange_focal_distance_mm"
      ]
    },
    {
      "mount_name": "Minolta MC/MD mount",
      "flange_focal_distance_mm": "43.50 mm",
      "mount_type": "SLR",
      "format": "24X36 mm",
      "id": "minolta-mc-md-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/minolta-mc-md-mount/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Minolta MC/MD mount | 43.50 mm | SLR | 24X36 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Minolta / Sony A-mount",
      "flange_focal_distance_mm": "44.50 mm",
      "mount_type": "SLR",
      "format": "24X36 mm / APS-C",
      "id": "minolta-sony-a-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/minolta-sony-a-mount/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Minolta / Sony A-mount | 44.50 mm | SLR | 24X36 mm / APS-C",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Minolta SR/MC/MD",
      "flange_focal_distance_mm": "43.72",
      "mount_type": "bayonet",
      "throat_diameter_mm": "41",
      "id": "minolta-sr-mc-md",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/minolta-sr-mc-md/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Minolta SR/MC/MD | bayonet | 43.72 | 41 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "43.72",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Minolta SR/MC/MD | bayonet | 43.72 | 41 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "43.5",
              "source": "https://allphotolenses.com/articles/item/c_6.html",
              "source_quote": "Minolta SR/MC/MD | 43.5 | SLR 35mm camera",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "bayonet",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Minolta SR/MC/MD | bayonet | 43.72 | 41 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "SLR 35mm camera",
              "source": "https://allphotolenses.com/articles/item/c_6.html",
              "source_quote": "Minolta SR/MC/MD | 43.5 | SLR 35mm camera",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Minolta SR-mount",
      "flange_focal_distance_mm": "43.50 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1958\u20132001",
      "id": "minolta-sr-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/minolta-sr-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Minolta SR-mount | 43.50 mm | SLR | 24\u00d736 mm | 1958\u20132001",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Minolta V-mount",
      "flange_focal_distance_mm": "36.00 mm",
      "mount_type": "SLR",
      "format": "APS-H",
      "production_years": "1996\u20131999",
      "id": "minolta-v-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/minolta-v-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Minolta V-mount | 36.00 mm | SLR | APS-H | 1996\u20131999",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": []
    },
    {
      "mount_name": "\u0421-mount",
      "flange_focal_distance_mm": "17.526",
      "mount_type": "Movie camera 16mm",
      "id": "mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/mount/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "\u0421-mount | 17.526 | Movie camera 16mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Nikon 1",
      "flange_focal_distance_mm": "17",
      "mount_type": "bayonet",
      "throat_diameter_mm": "40",
      "id": "nikon-1",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/nikon-1/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Nikon 1 | bayonet | 17 | 40 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Nikon 1-mount",
      "flange_focal_distance_mm": "17.00 mm",
      "mount_type": "Mirrorless",
      "format": "CX",
      "production_years": "2011\u20132018",
      "id": "nikon-1-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/nikon-1-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Nikon 1-mount | 17.00 mm [ 7 ] | Mirrorless | CX | 2011\u20132018",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "CX",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Nikon 1-mount | 17.00 mm [ 7 ] | Mirrorless | CX | 2011\u20132018",
              "as_of": "2026-08-13"
            },
            {
              "value": "Super 35",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Nikon 1-mount | 17.00 mm | Mirrorless | Super 35",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Nikon F",
      "flange_focal_distance_mm": "46.5",
      "mount_type": "bayonet",
      "throat_diameter_mm": "44",
      "id": "nikon-f",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/nikon-f/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Nikon F | bayonet | 46.5 | 44 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Nikon F (FX, DX)",
      "flange_focal_distance_mm": "46.5",
      "mount_type": "SLR 35mm and APS-C camera",
      "id": "nikon-f-fx-dx",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/nikon-f-fx-dx/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Nikon F (FX, DX) | 46.5 | SLR 35mm and APS-C camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Nikon F-mount",
      "flange_focal_distance_mm": "46.50 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm / APS-C",
      "production_years": "1959\u2013",
      "id": "nikon-f-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/nikon-f-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Nikon F-mount | 46.50 mm | SLR | 24\u00d736 mm / APS-C | 1959\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm / APS-C",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Nikon F-mount | 46.50 mm | SLR | 24\u00d736 mm / APS-C | 1959\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm / APS-C",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Nikon F-mount | 46.50 mm | SLR | 24X36 mm / APS-C",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Nikon rangefinder",
      "flange_focal_distance_mm": "34.85",
      "mount_type": "bayonet",
      "throat_diameter_mm": "49",
      "id": "nikon-rangefinder",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/nikon-rangefinder/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Nikon rangefinder | bayonet | 34.85 | 49 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Nikon S-mount",
      "flange_focal_distance_mm": "34.85 mm",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm",
      "production_years": "1947\u20132005",
      "id": "nikon-s-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/nikon-s-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Nikon S-mount | 34.85 mm | Mirrorless | 24\u00d736 mm | 1947\u20132005",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "34.85 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Nikon S-mount | 34.85 mm | Mirrorless | 24\u00d736 mm | 1947\u20132005",
              "as_of": "2026-08-13"
            },
            {
              "value": "34.85 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Nikon S-mount | 34.85 mm | Mirrorless | 24X36 mm",
              "as_of": "2026-08-13"
            },
            {
              "value": "34.85",
              "source": "https://allphotolenses.com/articles/item/c_6.html",
              "source_quote": "Nikon S-Mount | 34.85 | Rangefinder 35mm camera",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "Mirrorless",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Nikon S-mount | 34.85 mm | Mirrorless | 24\u00d736 mm | 1947\u20132005",
              "as_of": "2026-08-13"
            },
            {
              "value": "Mirrorless",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Nikon S-mount | 34.85 mm | Mirrorless | 24X36 mm",
              "as_of": "2026-08-13"
            },
            {
              "value": "Rangefinder 35mm camera",
              "source": "https://allphotolenses.com/articles/item/c_6.html",
              "source_quote": "Nikon S-Mount | 34.85 | Rangefinder 35mm camera",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Nikon S-mount | 34.85 mm | Mirrorless | 24\u00d736 mm | 1947\u20132005",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Nikon S-mount | 34.85 mm | Mirrorless | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Nikon Z-mount",
      "flange_focal_distance_mm": "16 mm",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm (FX)",
      "production_years": "2018\u2013",
      "id": "nikon-z-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/nikon-z-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Nikon Z-mount | 16 mm | Mirrorless | 24\u00d736 mm (FX) | 2018\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "16 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Nikon Z-mount | 16 mm | Mirrorless | 24\u00d736 mm (FX) | 2018\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "16.00 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Nikon Z-mount | 16.00 mm | Mirrorless | 24X36 mm / APS-C",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm (FX)",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Nikon Z-mount | 16 mm | Mirrorless | 24\u00d736 mm (FX) | 2018\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm / APS-C",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Nikon Z-mount | 16.00 mm | Mirrorless | 24X36 mm / APS-C",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Nikonos",
      "flange_focal_distance_mm": "39.00 mm",
      "mount_type": "underwater",
      "format": "24x36 mm",
      "production_years": "1963-2001",
      "id": "nikonos",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/nikonos/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Nikonos | 39.00 mm [ 13 ] | underwater | 24x36 mm | 1963-2001",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "39.00 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Nikonos | 39.00 mm [ 13 ] | underwater | 24x36 mm | 1963-2001",
              "as_of": "2026-08-13"
            },
            {
              "value": "28 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Nikonos | 28 mm | Underwater | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "underwater",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Nikonos | 39.00 mm [ 13 ] | underwater | 24x36 mm | 1963-2001",
              "as_of": "2026-08-13"
            },
            {
              "value": "Underwater",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Nikonos | 28 mm | Underwater | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "24x36 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Nikonos | 39.00 mm [ 13 ] | underwater | 24x36 mm | 1963-2001",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Nikonos | 28 mm | Underwater | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Novoflex A-mount",
      "flange_focal_distance_mm": "63.3",
      "mount_type": "SLR",
      "id": "novoflex-a-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/novoflex-a-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "A-mount | 63.3 mm | SLR",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_type"
      ]
    },
    {
      "mount_name": "OCT-19",
      "flange_focal_distance_mm": "61.00",
      "mount_type": "cine",
      "id": "oct-19",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/oct-19/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "OCT-19 | 61.00 mm | cine | | | | | | | |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Olympus Four Thirds System",
      "flange_focal_distance_mm": "38.67 mm",
      "mount_type": "SLR",
      "format": "4/3\"",
      "production_years": "2003\u20132017",
      "id": "olympus-four-thirds-system",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/olympus-four-thirds-system/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Four Thirds System | 38.67 mm | SLR | 4/3\" | 2003\u20132017",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_type",
        "production_years"
      ],
      "disagreements": []
    },
    {
      "mount_name": "Olympus OM",
      "flange_focal_distance_mm": "46",
      "mount_type": "bayonet",
      "throat_diameter_mm": "46",
      "id": "olympus-om",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/olympus-om/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Olympus OM | bayonet | 46 | 46 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ],
      "disagreements": [
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "bayonet",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Olympus OM | bayonet | 46 | 46 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "SLR 35mm camera",
              "source": "https://allphotolenses.com/articles/item/c_6.html",
              "source_quote": "Olympus OM | 46 | SLR 35mm camera",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Olympus OM-mount",
      "flange_focal_distance_mm": "46.00 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1972\u20132002",
      "id": "olympus-om-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/olympus-om-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Olympus OM-mount | 46.00 mm | SLR | 24\u00d736 mm | 1972\u20132002",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Olympus OM-mount | 46.00 mm | SLR | 24\u00d736 mm | 1972\u20132002",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Olympus OM-mount | 46.00 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Olympus PEN F",
      "flange_focal_distance_mm": "28.95 mm",
      "mount_type": "SLR",
      "format": "18\u00d724 mm",
      "id": "olympus-pen-f",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/olympus-pen-f/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Olympus PEN F | 28.95 mm | SLR |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Olympus PEN F (film)",
      "flange_focal_distance_mm": "28.95 mm",
      "mount_type": "SLR",
      "format": "18\u00d724 mm",
      "production_years": "1963\u20131972",
      "id": "olympus-pen-f-film",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/olympus-pen-f-film/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Olympus PEN F (film) | 28.95 mm | SLR | 18\u00d724 mm | 1963\u20131972",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Panavision PV-mount",
      "flange_focal_distance_mm": "57.15",
      "mount_type": "cine",
      "production_years": "1972\u2013",
      "id": "panavision-pv-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/panavision-pv-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "PV-mount | 57.15 mm | cine",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_type"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "57.15",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "PV-mount | 57.15 mm | cine",
              "as_of": "2026-08-13"
            },
            {
              "value": "57.15 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Panavision PV-mount | 57.15 mm | Cine",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "cine",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "PV-mount | 57.15 mm | cine",
              "as_of": "2026-08-13"
            },
            {
              "value": "Cine",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Panavision PV-mount | 57.15 mm | Cine",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Panavision SP70-mount",
      "flange_focal_distance_mm": "38.00",
      "mount_type": "cine",
      "production_years": "2018\u2013",
      "id": "panavision-sp70-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/panavision-sp70-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "SP70-mount | 38.00 mm | cine",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_type"
      ]
    },
    {
      "mount_name": "Pentacon 6",
      "flange_focal_distance_mm": "74.1",
      "mount_type": "breech lock",
      "throat_diameter_mm": "60",
      "id": "pentacon-6",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/pentacon-6/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Pentacon 6 | breech lock | 74.1 | 60 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Pentacon Six",
      "flange_focal_distance_mm": "74.1 mm",
      "mount_type": "SLR",
      "format": "6\u00d76 cm",
      "production_years": "1956\u20131992",
      "id": "pentacon-six",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/pentacon-six/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Pentacon Six | 74.1 mm | SLR | 6\u00d76 cm | 1956\u20131992",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "74.1 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentacon Six | 74.1 mm | SLR | 6\u00d76 cm | 1956\u20131992",
              "as_of": "2026-08-13"
            },
            {
              "value": "74.10 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Pentacon Six | 74.10 mm | SLR | 6X6 cm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "6\u00d76 cm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentacon Six | 74.1 mm | SLR | 6\u00d76 cm | 1956\u20131992",
              "as_of": "2026-08-13"
            },
            {
              "value": "6X6 cm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Pentacon Six | 74.10 mm | SLR | 6X6 cm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Pentaflex",
      "flange_focal_distance_mm": "44.00 mm",
      "mount_type": "Cine",
      "format": "16 mm",
      "id": "pentaflex",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/pentaflex/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Pentaflex | 44.00 mm | Cine | 16 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Pentaflex (16 mm cameras)",
      "flange_focal_distance_mm": "44.00",
      "mount_type": "cine",
      "id": "pentaflex-16-mm-cameras",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/pentaflex-16-mm-cameras/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Pentaflex (16 mm cameras) | 44.00 mm | cine | | | | | | | |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Pentax 6\u00d77",
      "flange_focal_distance_mm": "84.95 mm",
      "mount_type": "SLR",
      "format": "6\u00d77 cm",
      "production_years": "1969\u20131999",
      "id": "pentax-6-7",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/pentax-6-7/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Pentax 6\u00d77 | 84.95 mm [ 22 ] or 85.00 mm | SLR | 6\u00d77 cm | 1969\u20131999",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "also_reported": [
        {
          "field": "throat_diameter_mm",
          "value": "72",
          "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
          "source_quote": "Pentax 6\u00d77 | bayonet | 84.95 | 72 |",
          "as_of": "2026-08-13"
        }
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "84.95 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentax 6\u00d77 | 84.95 mm [ 22 ] or 85.00 mm | SLR | 6\u00d77 cm | 1969\u20131999",
              "as_of": "2026-08-13"
            },
            {
              "value": "84.95",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Pentax 6\u00d77 | bayonet | 84.95 | 72 |",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "SLR",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentax 6\u00d77 | 84.95 mm [ 22 ] or 85.00 mm | SLR | 6\u00d77 cm | 1969\u20131999",
              "as_of": "2026-08-13"
            },
            {
              "value": "bayonet",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Pentax 6\u00d77 | bayonet | 84.95 | 72 |",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Pentax 645",
      "flange_focal_distance_mm": "70.87 mm",
      "mount_type": "SLR",
      "format": "6\u00d74.5 cm",
      "production_years": "1984\u2013",
      "id": "pentax-645",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/pentax-645/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Pentax 645 | 70.87 mm | SLR | 6\u00d74.5 cm | 1984\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "also_reported": [
        {
          "field": "throat_diameter_mm",
          "value": "61.2",
          "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
          "source_quote": "Pentax 645 | bayonet | 70.87 | 61.2 |",
          "as_of": "2026-08-13"
        }
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "70.87 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentax 645 | 70.87 mm | SLR | 6\u00d74.5 cm | 1984\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "70.87",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Pentax 645 | bayonet | 70.87 | 61.2 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "70.87 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Pentax 645 | 70.87 mm | SLR | 6X4.5 cm",
              "as_of": "2026-08-13"
            },
            {
              "value": "70.87",
              "source": "https://allphotolenses.com/articles/item/c_6.html",
              "source_quote": "Pentax 645 | 70.87 | Medium format camera",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "SLR",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentax 645 | 70.87 mm | SLR | 6\u00d74.5 cm | 1984\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "bayonet",
              "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
              "source_quote": "Pentax 645 | bayonet | 70.87 | 61.2 |",
              "as_of": "2026-08-13"
            },
            {
              "value": "SLR",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Pentax 645 | 70.87 mm | SLR | 6X4.5 cm",
              "as_of": "2026-08-13"
            },
            {
              "value": "Medium format camera",
              "source": "https://allphotolenses.com/articles/item/c_6.html",
              "source_quote": "Pentax 645 | 70.87 | Medium format camera",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "6\u00d74.5 cm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentax 645 | 70.87 mm | SLR | 6\u00d74.5 cm | 1984\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "6X4.5 cm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Pentax 645 | 70.87 mm | SLR | 6X4.5 cm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Pentax 6X7",
      "flange_focal_distance_mm": "85.00 mm",
      "mount_type": "SLR",
      "format": "6X7 cm",
      "id": "pentax-6x7",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/pentax-6x7/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Pentax 6X7 | 85.00 mm | SLR | 6X7 cm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Pentax Auto 110",
      "flange_focal_distance_mm": "27.00",
      "mount_type": "SLR",
      "format": "13\u00d717 mm",
      "production_years": "1978\u20131985",
      "id": "pentax-auto-110",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/pentax-auto-110/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Pentax Auto 110 | 27.00 mm | SLR | 13\u00d717 mm | 1978\u20131985 | 5 | 1 | 0 | 0 | |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "27.00",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentax Auto 110 | 27.00 mm | SLR | 13\u00d717 mm | 1978\u20131985 | 5 | 1 | 0 | 0 | |",
              "as_of": "2026-08-13"
            },
            {
              "value": "27.00 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Pentax Auto 110 | 27.00 mm | SLR | 13X17 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "13\u00d717 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentax Auto 110 | 27.00 mm | SLR | 13\u00d717 mm | 1978\u20131985 | 5 | 1 | 0 | 0 | |",
              "as_of": "2026-08-13"
            },
            {
              "value": "13X17 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Pentax Auto 110 | 27.00 mm | SLR | 13X17 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Pentax K",
      "flange_focal_distance_mm": "45.46",
      "mount_type": "bayonet",
      "throat_diameter_mm": "44",
      "id": "pentax-k",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/pentax-k/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Pentax K | bayonet | 45.46 | 44 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Pentax K (KA, KAF)",
      "flange_focal_distance_mm": "45.5",
      "mount_type": "SLR 35mm and APS-C camera",
      "id": "pentax-k-ka-kaf",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/pentax-k-ka-kaf/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Pentax K (KA, KAF) | 45.5 | SLR 35mm and APS-C camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Pentax K-mount",
      "flange_focal_distance_mm": "45.46 mm",
      "mount_type": "SLR / Mirrorless",
      "format": "24\u00d736 mm / APS-C",
      "production_years": "1975\u2013",
      "id": "pentax-k-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/pentax-k-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Pentax K-mount | 45.46 mm | SLR / Mirrorless | 24\u00d736 mm / APS-C | 1975\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "SLR / Mirrorless",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentax K-mount | 45.46 mm | SLR / Mirrorless | 24\u00d736 mm / APS-C | 1975\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "SLR/Mirrorless",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Pentax K-mount | 45.46 mm | SLR/Mirrorless | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm / APS-C",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentax K-mount | 45.46 mm | SLR / Mirrorless | 24\u00d736 mm / APS-C | 1975\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Pentax K-mount | 45.46 mm | SLR/Mirrorless | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Pentax Q-mount",
      "flange_focal_distance_mm": "9.2 mm",
      "mount_type": "Mirrorless",
      "format": "1/2.3\" (6.17\u00d74.55 mm) / 1/1.7\"",
      "production_years": "2011\u20132019",
      "id": "pentax-q-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/pentax-q-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Pentax Q-mount | 9.2 mm [ 2 ] | Mirrorless | 1/2.3\" (6.17\u00d74.55 mm) / 1/1.7\" | 2011\u20132019",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "9.2 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentax Q-mount | 9.2 mm [ 2 ] | Mirrorless | 1/2.3\" (6.17\u00d74.55 mm) / 1/1.7\" | 2011\u20132019",
              "as_of": "2026-08-13"
            },
            {
              "value": "9.20 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Pentax Q-mount | 9.20 mm | Mirrorless |",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "1/2.3\" (6.17\u00d74.55 mm) / 1/1.7\"",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Pentax Q-mount | 9.2 mm [ 2 ] | Mirrorless | 1/2.3\" (6.17\u00d74.55 mm) / 1/1.7\" | 2011\u20132019",
              "as_of": "2026-08-13"
            },
            {
              "value": "1/2.3\" x 1/1.7\"",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Pentax Q-mount | 9.20 mm | Mirrorless |",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Petri",
      "flange_focal_distance_mm": "45.5",
      "mount_type": "bayonet",
      "throat_diameter_mm": "43",
      "id": "petri",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/petri/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Petri | bayonet | 45.5 | 43 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Petri Bayonet",
      "flange_focal_distance_mm": "43.50 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "id": "petri-bayonet",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/petri-bayonet/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Petri Bayonet | 43.50 mm | SLR | 24\u00d736 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Praktica B",
      "flange_focal_distance_mm": "44.4",
      "mount_type": "SLR 35mm camera",
      "id": "praktica-b",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/praktica-b/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Praktica B | 44.4 | SLR 35mm camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Praktica B-mount",
      "flange_focal_distance_mm": "44.40 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1978\u20131990",
      "id": "praktica-b-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/praktica-b-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Praktica B-mount | 44.40 mm | SLR | 24\u00d736 mm | 1978\u20131990",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "44.40 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Praktica B-mount | 44.40 mm | SLR | 24\u00d736 mm | 1978\u20131990",
              "as_of": "2026-08-13"
            },
            {
              "value": "44.00 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Praktica B-mount | 44.00 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Praktica B-mount | 44.40 mm | SLR | 24\u00d736 mm | 1978\u20131990",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Praktica B-mount | 44.00 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Praktiflex",
      "flange_focal_distance_mm": "44",
      "mount_type": "M40\u00d71 thread",
      "throat_diameter_mm": "40",
      "id": "praktiflex",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/praktiflex/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Praktiflex | M40\u00d71 thread | 44 | 40 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Praktina",
      "flange_focal_distance_mm": "50",
      "mount_type": "breech lock",
      "throat_diameter_mm": "46",
      "id": "praktina",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/praktina/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Praktina | breech lock | 50 | 46 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "RED ONE",
      "flange_focal_distance_mm": "27.30 mm",
      "mount_type": "Cine",
      "format": "Cine",
      "id": "red-one",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/red-one/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "RED ONE | 27.30 mm | Cine | Cine",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "RED ONE interchangeable mount",
      "flange_focal_distance_mm": "27.30",
      "mount_type": "cine",
      "id": "red-one-interchangeable-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/red-one-interchangeable-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "RED ONE interchangeable mount | 27.30 mm | cine | | | | | | | |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Ricoh 126C-Flex",
      "flange_focal_distance_mm": "62.22 mm",
      "mount_type": "SLR",
      "format": "24\u00d724 mm",
      "production_years": "1968-1969",
      "id": "ricoh-126c-flex",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/ricoh-126c-flex/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Ricoh 126C-Flex | 62.22 mm | SLR | 24\u00d724 mm | 1968-1969",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Rollei QBM",
      "flange_focal_distance_mm": "44.50 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1970\u2013",
      "id": "rollei-qbm",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/rollei-qbm/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Rollei QBM | 44.50 mm [ 16 ] | SLR | 24\u00d736 mm | 1970\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Rollei SL66",
      "flange_focal_distance_mm": "102.80 mm",
      "mount_type": "SLR",
      "format": "6\u00d76 cm",
      "production_years": "1966\u20131992",
      "id": "rollei-sl66",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/rollei-sl66/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Rollei SL66 | 102.80 mm | SLR | 6\u00d76 cm | 1966\u20131992",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "6\u00d76 cm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Rollei SL66 | 102.80 mm | SLR | 6\u00d76 cm | 1966\u20131992",
              "as_of": "2026-08-13"
            },
            {
              "value": "6X6 cm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Rollei SL66 | 102.80 mm | SLR | 6X6 cm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Rollei SLX",
      "flange_focal_distance_mm": "74.00 mm",
      "mount_type": "SLR",
      "format": "6\u00d76 cm",
      "production_years": "1976\u20132005",
      "id": "rollei-slx",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/rollei-slx/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Rollei SLX | 74.00 mm | SLR | 6\u00d76 cm | 1976\u20132005",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "6\u00d76 cm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Rollei SLX | 74.00 mm | SLR | 6\u00d76 cm | 1976\u20132005",
              "as_of": "2026-08-13"
            },
            {
              "value": "6X6 cm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Rollei SLX | 74.00 mm | SLR | 6X6 cm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Rollei / Voigtlander QBM",
      "flange_focal_distance_mm": "44.50 mm",
      "mount_type": "SLR",
      "format": "24X36 mm",
      "id": "rollei-voigtlander-qbm",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/rollei-voigtlander-qbm/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Rollei / Voigtlander QBM | 44.50 mm | SLR | 24X36 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Rolleiflex SL35 (QBM)",
      "flange_focal_distance_mm": "44.6",
      "mount_type": "bayonet",
      "throat_diameter_mm": "49.7",
      "id": "rolleiflex-sl35-qbm",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/rolleiflex-sl35-qbm/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Rolleiflex SL35 (QBM) | bayonet | 44.6 | 49.7 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Salyut/Kiev mount",
      "flange_focal_distance_mm": "82.10 mm",
      "mount_type": "SLR",
      "format": "6\u00d76 cm",
      "production_years": "1972\u20131980",
      "id": "salyut-kiev-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/salyut-kiev-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Salyut/Kiev mount | 82.10 mm | SLR | 6\u00d76 cm | 1972\u20131980",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Samsung Kenox mount",
      "flange_focal_distance_mm": "44.50",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1997\u20132002",
      "id": "samsung-kenox-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/samsung-kenox-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Samsung Kenox mount | 44.50 mm | SLR | 24\u00d736 mm | 1997\u20132002 | 1 | 2 (3?) | 0 | 0 | Although designed in 1990s, mount is manual-focus only; lenses mount and lock on a slightly modified Minolta A-mount adapters |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Samsung NX",
      "flange_focal_distance_mm": "25.5",
      "mount_type": "Mirrorless (Evil) camera",
      "id": "samsung-nx",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/samsung-nx/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Samsung NX | 25.5 | Mirrorless (Evil) camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Samsung NX mini",
      "flange_focal_distance_mm": "6.95",
      "mount_type": "Mirrorless",
      "format": "1\" (8.80x13.20mm)",
      "production_years": "2014\u20132015",
      "id": "samsung-nx-mini",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/samsung-nx-mini/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Samsung NX mini | 6.95 mm | Mirrorless | 1\" (8.80x13.20mm) | 2014\u20132015 | 2 | 1 | | 1 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Samsung NX-mount",
      "flange_focal_distance_mm": "25.50 mm",
      "mount_type": "Mirrorless",
      "format": "APS-C",
      "production_years": "2010\u20132015",
      "id": "samsung-nx-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/samsung-nx-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Samsung NX-mount | 25.50 mm | Mirrorless | APS-C | 2010\u20132015",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": []
    },
    {
      "mount_name": "Sigma SA",
      "flange_focal_distance_mm": "44",
      "mount_type": "SLR APS-C camera",
      "id": "sigma-sa",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/sigma-sa/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Sigma SA | 44 | SLR APS-C camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Sigma SA-mount",
      "flange_focal_distance_mm": "44.00 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm / APS-C",
      "production_years": "1992\u2013",
      "id": "sigma-sa-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/sigma-sa-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Sigma SA-mount | 44.00 mm | SLR | 24\u00d736 mm / APS-C | 1992\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm / APS-C",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Sigma SA-mount | 44.00 mm | SLR | 24\u00d736 mm / APS-C | 1992\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm / APS-C",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Sigma SA-mount | 44.00 mm | SLR | 24X36 mm / APS-C",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Sony 1/2&#8243; TV bayonet mount",
      "flange_focal_distance_mm": "38.00 mm",
      "mount_type": "TV",
      "format": "1/2&#8243; 3-CCD",
      "id": "sony-1-2-8243-tv-bayonet-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/sony-1-2-8243-tv-bayonet-mount/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Sony 1/2&#8243; TV bayonet mount | 38.00 mm | TV | 1/2&#8243; 3-CCD",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Sony 1/2\" TV bayonet mount",
      "flange_focal_distance_mm": "38.00",
      "mount_type": "TV",
      "format": "1/2\" 3-CCD",
      "id": "sony-1-2-tv-bayonet-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/sony-1-2-tv-bayonet-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Sony 1/2\" TV bayonet mount | 38.00 mm | TV | 1/2\" 3-CCD | | | | | | |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Sony A / Minolta A",
      "flange_focal_distance_mm": "44.5",
      "mount_type": "SLR 35mm and APS-C camera",
      "id": "sony-a-minolta-a",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/sony-a-minolta-a/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Sony A / Minolta A | 44.5 | SLR 35mm and APS-C camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Sony E-mount",
      "flange_focal_distance_mm": "18.00 mm",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm",
      "production_years": "2010\u2013",
      "id": "sony-e-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/sony-e-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Sony E-mount | 18.00 mm | Mirrorless | APS-C | 2010\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Sony E-mount | 18.00 mm | Mirrorless | APS-C | 2010\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm / APS-C",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Sony E-mount | 18.00 mm | Mirrorless | 24X36 mm / APS-C",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Sony E (NEX)",
      "flange_focal_distance_mm": "18",
      "mount_type": "Mirrorless (Evil) camera",
      "id": "sony-e-nex",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/sony-e-nex/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Sony E (NEX) | 18 | Mirrorless (Evil) camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Sony FZ-mount",
      "flange_focal_distance_mm": "19.00",
      "mount_type": "cine",
      "format": "Super 35",
      "production_years": "2011\u2013",
      "id": "sony-fz-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/sony-fz-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Sony FZ-mount | 19.00 mm | cine | Super 35 | 2011\u2013 | 0 | 2 | 0 | 3 | |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "19.00",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Sony FZ-mount | 19.00 mm | cine | Super 35 | 2011\u2013 | 0 | 2 | 0 | 3 | |",
              "as_of": "2026-08-13"
            },
            {
              "value": "19.00 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Sony FZ-mount | 19.00 mm | Cine | Super 35mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "mount_type",
          "versions": [
            {
              "value": "cine",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Sony FZ-mount | 19.00 mm | cine | Super 35 | 2011\u2013 | 0 | 2 | 0 | 3 | |",
              "as_of": "2026-08-13"
            },
            {
              "value": "Cine",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Sony FZ-mount | 19.00 mm | Cine | Super 35mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "Super 35",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Sony FZ-mount | 19.00 mm | cine | Super 35 | 2011\u2013 | 0 | 2 | 0 | 3 | |",
              "as_of": "2026-08-13"
            },
            {
              "value": "Super 35mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Sony FZ-mount | 19.00 mm | Cine | Super 35mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Start (Soviet SLR)",
      "flange_focal_distance_mm": "42.00",
      "mount_type": "SLR",
      "format": "1958\u20131964",
      "id": "start-soviet-slr",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/start-soviet-slr/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Start (Soviet SLR) | 42.00 mm | SLR | | 1958\u20131964 | | | | | |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "T-mount",
      "flange_focal_distance_mm": "55.00 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1962\u2013",
      "id": "t-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/t-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "T-mount | 55.00 mm | SLR | 24\u00d736 mm | 1962\u2013",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "T-mount | 55.00 mm | SLR | 24\u00d736 mm | 1962\u2013",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "T-mount | 55.00 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Tamron Adaptall/Adaptall-2",
      "flange_focal_distance_mm": "50.7 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1973-2006",
      "id": "tamron-adaptall-adaptall-2",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/tamron-adaptall-adaptall-2/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Tamron Adaptall/Adaptall-2 | 50.7 mm | SLR | 24\u00d736 mm | 1973-2006",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Tamron (T2, T-mount, T-thread)",
      "flange_focal_distance_mm": "55",
      "mount_type": "SLR 35mm camera",
      "id": "tamron-t2-t-mount-t-thread",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/tamron-t2-t-mount-t-thread/",
      "source": "https://allphotolenses.com/articles/item/c_6.html",
      "source_quote": "Tamron (T2, T-mount, T-thread) | 55 | SLR 35mm camera",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Vivitar TX",
      "flange_focal_distance_mm": "56.25 mm",
      "mount_type": "SLR",
      "format": "24\u00d736mm",
      "production_years": "1976-",
      "id": "vivitar-tx",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/vivitar-tx/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Vivitar TX | 56.25 mm | SLR | 24\u00d736mm | 1976-",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Voigtl\u00e4nder Bessamatic",
      "flange_focal_distance_mm": "44.7",
      "mount_type": "bayonet",
      "throat_diameter_mm": "38",
      "id": "voigtl-nder-bessamatic",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/voigtl-nder-bessamatic/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Voigtl\u00e4nder Bessamatic | bayonet | 44.7 | 38 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Voigtl\u00e4nder Bessamatic DKL-mount",
      "flange_focal_distance_mm": "45.7 mm",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "1958\u20131967",
      "id": "voigtl-nder-bessamatic-dkl-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/voigtl-nder-bessamatic-dkl-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Voigtl\u00e4nder Bessamatic <https://en.wikipedia.org/wiki/DKL-mount#Bessamatic> DKL-mount | 45.7 mm",
      "verified_fields": [
        "flange_focal_distance_mm"
      ]
    },
    {
      "mount_name": "Voigtl\u00e4nder Vitessa T DKL-mount",
      "flange_focal_distance_mm": "45.7",
      "mount_type": "Mirrorless",
      "format": "24\u00d736 mm",
      "id": "voigtl-nder-vitessa-t-dkl-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/voigtl-nder-vitessa-t-dkl-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "DKL-mount | 45.7 mm | Mirrorless | 24\u00d736 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_type"
      ]
    },
    {
      "mount_name": "Voigtlander Bessamatic DKL",
      "flange_focal_distance_mm": "45.70 mm",
      "mount_type": "SLR",
      "format": "24X36 mm",
      "id": "voigtlander-bessamatic-dkl",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/voigtlander-bessamatic-dkl/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Voigtlander Bessamatic DKL | 45.70 mm | SLR | 24X36 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Voigtlander Vitessa T DKL",
      "flange_focal_distance_mm": "45.70 mm",
      "mount_type": "Mirrorless",
      "format": "24X36 mm",
      "id": "voigtlander-vitessa-t-dkl",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/voigtlander-vitessa-t-dkl/",
      "source": "https://briansmith.com/flange-focal-distance-guide/",
      "source_quote": "Voigtlander Vitessa T DKL | 45.70 mm | Mirrorless | 24X36 mm",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ]
    },
    {
      "mount_name": "Werra",
      "flange_focal_distance_mm": "54",
      "mount_type": "breech lock",
      "throat_diameter_mm": "44.5",
      "id": "werra",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/werra/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Werra | breech lock | 54 | 44.5 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "Yashica MA-mount",
      "flange_focal_distance_mm": "45.80",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "id": "yashica-ma-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/yashica-ma-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Yashica MA-mount | 45.80 mm | SLR | 24\u00d736 mm | | | | | 1 | (measured); 230AF etc. |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "45.80",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Yashica MA-mount | 45.80 mm | SLR | 24\u00d736 mm | | | | | 1 | (measured); 230AF etc. |",
              "as_of": "2026-08-13"
            },
            {
              "value": "45.80 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Yashica MA-mount | 45.80 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "Yashica MA-mount | 45.80 mm | SLR | 24\u00d736 mm | | | | | 1 | (measured); 230AF etc. |",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "Yashica MA-mount | 45.80 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Yashica Pentamatic, Pentamatic II",
      "flange_focal_distance_mm": "43",
      "mount_type": "bayonet",
      "throat_diameter_mm": "47",
      "id": "yashica-pentamatic-pentamatic-ii",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/yashica-pentamatic-pentamatic-ii/",
      "source": "https://www.graphics.cornell.edu/~westin/misc/mounts-by-register.html",
      "source_quote": "Yashica Pentamatic, Pentamatic II | bayonet | 43 | 47 |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "mount_name",
        "mount_type",
        "throat_diameter_mm"
      ]
    },
    {
      "mount_name": "YS mount",
      "flange_focal_distance_mm": "55.00",
      "mount_type": "SLR",
      "format": "24\u00d736 mm",
      "production_years": "\u20131969",
      "id": "ys-mount",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/ys-mount/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "YS mount | 55.00 mm | SLR | 24\u00d736 mm | \u20131969 | | | | | Sigma, Upsilon, Accura, Polaris, Sun, Aetna, Beroflex, Petri, Raynox, N.P.S., Formula, Dionar, Universal, Soligor, Yashica, Spiratone. M42\u00d70.75 (not to be confused with M42\u00d71) Same as T-mount but with aperture coupling |",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ],
      "disagreements": [
        {
          "field": "flange_focal_distance_mm",
          "versions": [
            {
              "value": "55.00",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "YS mount | 55.00 mm | SLR | 24\u00d736 mm | \u20131969 | | | | | Sigma, Upsilon, Accura, Polaris, Sun, Aetna, Beroflex, Petri, Raynox, N.P.S., Formula, Dionar, Universal, Soligor, Yashica, Spiratone. M42\u00d70.75 (not to be confused with M42\u00d71) Same as T-mount but with aperture coupling |",
              "as_of": "2026-08-13"
            },
            {
              "value": "55.00 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "YS mount | 55.00 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        },
        {
          "field": "format",
          "versions": [
            {
              "value": "24\u00d736 mm",
              "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
              "source_quote": "YS mount | 55.00 mm | SLR | 24\u00d736 mm | \u20131969 | | | | | Sigma, Upsilon, Accura, Polaris, Sun, Aetna, Beroflex, Petri, Raynox, N.P.S., Formula, Dionar, Universal, Soligor, Yashica, Spiratone. M42\u00d70.75 (not to be confused with M42\u00d71) Same as T-mount but with aperture coupling |",
              "as_of": "2026-08-13"
            },
            {
              "value": "24X36 mm",
              "source": "https://briansmith.com/flange-focal-distance-guide/",
              "source_quote": "YS mount | 55.00 mm | SLR | 24X36 mm",
              "as_of": "2026-08-13"
            }
          ]
        }
      ]
    },
    {
      "mount_name": "Zenza Bronica ETR",
      "flange_focal_distance_mm": "69.00 mm",
      "mount_type": "SLR",
      "format": "6\u00d74.5 cm",
      "production_years": "1976\u20132004",
      "id": "zenza-bronica-etr",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/zenza-bronica-etr/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Zenza Bronica ETR | 69.00 mm | SLR | 6\u00d74.5 cm | 1976\u20132004",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Zenza Bronica GS",
      "flange_focal_distance_mm": "85.00 mm",
      "mount_type": "SLR",
      "format": "6\u00d77 cm",
      "production_years": "1983\u20132002",
      "id": "zenza-bronica-gs",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/zenza-bronica-gs/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Zenza Bronica GS | 85.00 mm | SLR | 6\u00d77 cm | 1983\u20132002",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Zenza Bronica S2A",
      "flange_focal_distance_mm": "101.70 mm",
      "mount_type": "SLR",
      "format": "6\u00d76 cm",
      "production_years": "1959\u20131980",
      "id": "zenza-bronica-s2a",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/zenza-bronica-s2a/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Zenza Bronica S2A | 101.70 mm | SLR | 6\u00d76 cm | 1959\u20131980",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    },
    {
      "mount_name": "Zenza Bronica SQ",
      "flange_focal_distance_mm": "85.00 mm",
      "mount_type": "SLR",
      "format": "6\u00d76 cm",
      "production_years": "1980\u20132003",
      "id": "zenza-bronica-sq",
      "url": "https://referencesource.org/camera-lens-body-adapter-compatibility/zenza-bronica-sq/",
      "source": "https://en.wikipedia.org/wiki/Flange_focal_distance",
      "source_quote": "Zenza Bronica SQ | 85.00 mm | SLR | 6\u00d76 cm | 1980\u20132003",
      "verified_fields": [
        "flange_focal_distance_mm",
        "format",
        "mount_name",
        "mount_type",
        "production_years"
      ]
    }
  ]
}