Byers A4 Film Cutter  type_Continuous Lighting and should hold most 35mm

and should hold most 35mm SLR cameras

This would be a pretty useful accessory if you wanted to use a Viso lens on a digital camera with an LTM adapter

with only minor signs of wear

54 L is a short telephoto lens for the Mamiya 6 medium format rangefinder camera

Byers A4 Film Cutter &nbsptype_Continuous Lighting and should hold most 35mmThe Byers A4 Film Cutter is designed for making single frame cuts of 35mm film. In good working order, with some cosmetic wear, and minor corrosion on a few screw heads. Manual or automatic advance. For some reason, the designers of this machine put the trigger button on the same side as the blade so do pay attention when in use.