Assuming that a short mount -to- focus- plane MIN. lens in general can be converted by an adapter has at least one counterexample. I have a catadioptric of Minolta design, the 800mmf8 (exists in the Leica catalogue), that Wetzlar made to fit the Leicaflex. In order to do that leitz must have drasically shortened the complex rear filter holder (while mainating centering), Not a simple matter.

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