Originally Posted by CharlesDAMorgan
Forgive me if this is a stupid question, but is there the same need to shim if using the lens on say a Zorki or a Fed rather than a Leica? I suspect the answer is of the how long is a piece of string type, but who knows!
You would have to, if it will be necessary. I don't know anything about string type, but FSU collimation and following standards is not something written on the rock.