Response to Durst "Graduate" & Medium Format

Your 50mm lens will not cover the 6x6 negative. You will need a 75mm or longer for a 6x6 square format negative. If you are printing 6x7, most 80mm lenses will work. For 6x9, 100-105mm is recommended. There is no problem in using a slightly larger lens (i.e., 80mm for 6x6). In any case, these are general rules of thumb and it depends on the manufacturers specification for each lens. Some manufacturers have wide angle lenses that will cover negatives at a shorter than normal focal length.

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