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03-23-2016, 05:08 AM   #1
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Flange Distances of Medium Format camera systems

Flange Distances of Medium Format camera systems

To adapt a lens on camera system and to focus to infinity the register/ flange distance (FD) of the lens has to be greater than the FD of the camera system.

Camera System Mounttype Register (FD)in [mm] Diameter in [mm] Comments

Mamiya RB bayonet 112.00 60 111.00 according to
Mamiya RZ bayonet 105.00 60 108.00 according to
Rolleiflex SL66 bayonet 102.8 ? according to
Pentax 67 bayonet 84.95 72
Hasselblad 1000F/1600F multi start thread 82.1 78 Focal-plane shutter (no shutter in lens)
Kiev 88, Salut, Zenit 80 multi start thread 82.1 78 Very similar to Hasselblad 1000F/1600F; may or may not fit
Kowa Six/Super 66 breech lock 79 69
Hasselblad V System bayonet 74.9 69 Leaf shutter inside each "C, CF, CFE"lens; used on Hasselblad 200/500/2000. Hasselblad "V"
Pentacon 6 breech lock 74.1 60 Identical to Exakta 66 and Kiev 60. also named "P6"
Rolleiflex SLX bayonet 74.00 ?

Pentax 645 bayonet 70.87 61.2

Bronica ETRS bayonet 69.0 0.03 ? Measured to back of body (mount surface for film back)
Contax 645 bayonet 64,00 ?
Mamiya 645 bayonet 63.3 62
Hasselblad H System bayonet 61.63 ?
Leica S bayonet 53 ? Register mentioned on Luminous Landscape
Alphabetical List of Camera Mounts


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645d, 645z, bayonet, camera, flange, flange distances, hasselblad, lens, mamiya, medium, medium format, register, shutter, system
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