Ricoh Auto Rikenon 55mm f1.4 for Singlex battery cover There are Arca-style clamping surfaces

There are Arca-style clamping surfaces on both axes

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

Includes its original HE-2 hood and 122mm UV filter

Frame counting and spacing are good

These high quality

Ricoh Auto Rikenon 55mm f1.4 for Singlex battery cover There are Arca-style clamping surfacesHere'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