Nippon Kogaku 200mm f4 Nikkor-Q Auto (pre AI) lens mount_Canon EF-S This helicoid is about 3cm

This helicoid is about 3cm long

and standard crank

with very little use

This C330 Professional F is in excellent condition

Riken metal slip-on lenscap for select Ricoh TLR cameras

Nippon Kogaku 200mm f4 Nikkor-Q Auto (pre AI) lens mount_Canon EF-S This helicoid is about 3cmThe Nippon Kogaku 200mm f4 Nikkor Q Auto is a classic telephoto lens for the Nikon F mount. Smooth focusing, clean diaphragm, minor internal dust. Excellent cosmetic condition overall, with light paint wear, primarily on the retractable hood. Please note: this is a pre AI lens and compatibility may vary on newer cameras. Check your camera's instruction manual to be sure.