Nikon 50mm f2 Nikkor-H  type_Lens Cap bulging front element and a

bulging front element and a built-in filter turret

full-time mirror lockup

with some paint wear on the nameplate ring

5 lens is a compact and unusually fast short telephoto lens for Pentax K-mount SLR cameras

lightweight lens for pre-AI Nikon SLR cameras

Nikon 50mm f2 Nikkor-H &nbsptype_Lens Cap bulging front element and aThe Nikon 50 mm f2 Nikkor H is a pre AI lens, designed for earlier Nikon cameras like the F F2 Photomic and many Nikkormats. Cosmetic condition is good, with some paint and finish wear; glass is clean, with minor dust. Focusing and diaphragm action are good. Be aware that this is a pre AI lens and that compatibility will vary. Check your camera's instruction manual to be sure it fits.