Nippon Kogaku 55mm f3.5 Micro-Nikkor with M tube

Nippon Kogaku 55mm f3.5 Micro-Nikkor lens in excellent condition, with very minor cosmetic wear, minor internal dust. Includes the M extension tube for 1:1 magnification (the lens by itself provides 1:2 magnification.) This is a pre-AI lens, so check your camera’s manual for compatibility.