potz wrote:
55mm is easier to design for SLRs because of the backfocus distance that is needed to clear the mirror box. It\'s the reason why there are so many old lenses in the 55-58mm range.
But that\'s an argumant against a Distagon design, not for it. 55mm could just be a Planar design.
Sep 07, 2012 at 05:16 AM
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