Ricoh Auto Rikenon 55mm f1.4 for Singlex battery cover Frame counting and spacing are

Frame counting and spacing are good

There are Arca-style clamping surfaces on both axes

The Voigtlander Super-Dynarex 135mm f4 is a telephoto lens for the Voigtlander Bessamatic series of 35mm SLR cameras

The Nikon HN-3 is a round metal hood for 52mm threaded lenses

An impressive monument of a viewfinder

Ricoh Auto Rikenon 55mm f1.4 for Singlex battery cover Frame counting and spacing areHere'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