M39x1
For M39x1, flange focal distance (mm) is disputed: 44.00 per en.wikipedia.org, 45.20 per en.wikipedia.org, 45.46 mm per briansmith.com; mount type is disputed: Mirrorless per en.wikipedia.org, SLR per en.wikipedia.org, SLR per briansmith.com; 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 sources disagree
- Mount type
- Mirrorless sources disagree
- Format
- 24×36 mm verified
- Production years
- 1950s verified
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
Sources
- en.wikipedia.orghttps://en.wikipedia.org/wiki/Flange_focal_distance
- briansmith.comhttps://briansmith.com/flange-focal-distance-guide/