Originally Posted by rbelyell
just a tad OT, but i am curious as to the relative quality of smaller frame 645 vs 35mm vs other larger MF formats, eg 6x6&6x9? ive read, perhaps incorrectly, that one does not receive the kind of qualitative benefit over 35mm from 645 as one gets from 6x6 or 6x9... true/not true?
645 is roughly 2.5 times the size of 35mm, and the qualitative benefit is definitely there!
If you don't print square, then 6x6 is in fact the same size as 645.
6x9 is two times the size of 645, so another qualitative jump here, although not as big as from 35mm to 645.