Ricoh Auto Rikenon 55mm f1.4 for Singlex brand_Kinoflo the rear cover support pin

the rear cover support pin knob is slightly bent

In very good condition overall

8 is a compact standard lens for the M42 thread mount

Leitz Canada Summilux 35mm f1

Ricoh Auto Rikenon 55mm f1.4 for Singlex brand_Kinoflo the rear cover support pinHere's some interesting trivia: back in the day, Mamiya built the Nikkorex F for Nikon, and they also built the original Singlex for Ricoh both with an F mount, weirdly enough. And while the Ricoh Singlex can take Nikon lenses, the Singlex F mount lenses like this Ricoh Auto Rikenon 55mm f1. 4 can't be used directly on a Nikon camera without modification: one of the bayonet lugs is a touch too long to fit. Nevertheless, flange distance is the same as