Ricoh Auto Rikenon 55mm f1.4 for Singlex battery cover while the back's serial number

while the back's serial number is 548

Fujifilm hood with filter adapter

An impressive monument of a viewfinder

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

contemporary 4x5 monorail camera with indexed movements front and rear

Ricoh Auto Rikenon 55mm f1.4 for Singlex battery cover while the back's serial numberHere'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