Quote Originally Posted by John Koehrer View Post
Leica.overgaard.dk seems to disagree with your definition. Summicron was derived from Leicas use of crown glass for the first time.
ALL Summicrons are f2 maximum aperture.
-M says it's an M mount lens not an R or reflex lens

Not all Summicrons have finger tabs, in fact MOST do not.
Point proven... Confusing...


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