Originally Posted by mgb74
Have you used the Mamiya back yet? I'm curious if the film plane (spacing relative to the ground glass) is the same.
I've used them quite a lot, but only at relatively small apertures. They are sharp. I'll try some wide open to see if there is any discrepancy.
I've done some close up pics recently using the mamiya backs and a 150mm schneider symmar s. no focus issues at all. All is sharp where I want it to be: Attachment 46409
That's certainly good to know. And a great photograph.