Quote Originally Posted by Dr Croubie View Post
Measuring the negatives:
Mamiya 645AF 56.5 x 42.5mm
Pentacon 6 56 x 56mm
Kiev 60 57 x 56.5mm
Kiev 88CM 55 x 55.5mm (not a hasselblad, but the backs are interchangeable)

Measuring the film gate (because I've only just gotten it and haven't put a roll through yet)
Graphlex "23" Graphic 82.5 x 57mm
Hey, the Pentacon achieved the 57mm vertical! I still wonder about Hasselblad and Rollei.