Reference Source

M39x1

For M39x1, flange focal distance (mm) is 44.00; mount type is Mirrorless; format is 24×36 mm; production years is 1950s, verified against its source on 2026-08-13.

Mount name
M39x1 verified
Flange focal distance (mm)
44.00 verified
Mount type
Mirrorless verified
Format
24×36 mm verified
Production years
1950s verified
Sourceen.wikipedia.org
Verified
Review by
DatasetCamera mount flange focal distance and adapter feasibility

What the source says

M39x1 | 44.00 mm [ 14 ] | Mirrorless | 24×36 mm | 1950s | | | | | Braun Paxette rangefinder cameras |

en.wikipedia.org, retrieved 2026-08-13

Sources disagree

More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.

Flange focal distance (mm)

en.wikipedia.org says flange focal distance (mm) is 44.00, as of 2026-08-13.

M39x1 | 44.00 mm [ 14 ] | Mirrorless | 24×36 mm | 1950s | | | | | Braun Paxette rangefinder cameras |

https://en.wikipedia.org/wiki/Flange_focal_distance

en.wikipedia.org says flange focal distance (mm) is 45.20, as of 2026-08-13.

M39x1 | 45.20 mm [ 18 ] | SLR | 24×36 mm | 1952–1968 |

https://en.wikipedia.org/wiki/Flange_focal_distance

briansmith.com says flange focal distance (mm) is 45.46 mm, as of 2026-08-13.

M39x1 | 45.46 mm | SLR | 24X36 mm

https://briansmith.com/flange-focal-distance-guide/

Mount type

en.wikipedia.org says mount type is Mirrorless, as of 2026-08-13.

M39x1 | 44.00 mm [ 14 ] | Mirrorless | 24×36 mm | 1950s | | | | | Braun Paxette rangefinder cameras |

https://en.wikipedia.org/wiki/Flange_focal_distance

en.wikipedia.org says mount type is SLR, as of 2026-08-13.

M39x1 | 45.20 mm [ 18 ] | SLR | 24×36 mm | 1952–1968 |

https://en.wikipedia.org/wiki/Flange_focal_distance

briansmith.com says mount type is SLR, as of 2026-08-13.

M39x1 | 45.46 mm | SLR | 24X36 mm

https://briansmith.com/flange-focal-distance-guide/

Format

en.wikipedia.org says format is 24×36 mm, as of 2026-08-13.

M39x1 | 44.00 mm [ 14 ] | Mirrorless | 24×36 mm | 1950s | | | | | Braun Paxette rangefinder cameras |

https://en.wikipedia.org/wiki/Flange_focal_distance

en.wikipedia.org says format is 24×36 mm, as of 2026-08-13.

M39x1 | 45.20 mm [ 18 ] | SLR | 24×36 mm | 1952–1968 |

https://en.wikipedia.org/wiki/Flange_focal_distance

briansmith.com says format is 24X36 mm, as of 2026-08-13.

M39x1 | 45.46 mm | SLR | 24X36 mm

https://briansmith.com/flange-focal-distance-guide/

Production years

en.wikipedia.org says production years is 1950s, as of 2026-08-13.

M39x1 | 44.00 mm [ 14 ] | Mirrorless | 24×36 mm | 1950s | | | | | Braun Paxette rangefinder cameras |

https://en.wikipedia.org/wiki/Flange_focal_distance

en.wikipedia.org says production years is 1952–1968, as of 2026-08-13.

M39x1 | 45.20 mm [ 18 ] | SLR | 24×36 mm | 1952–1968 |

https://en.wikipedia.org/wiki/Flange_focal_distance

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.