Nikon TC-17E II lens mount_Leica R with minor cosmetic wear and

with minor cosmetic wear and a good shutter

and still takes a pretty nice picture

3/8" thread on the base for tripod attachment

The lens is clean and works well

This helicoid extension tube lets you seamlessly adjust magnification for close-up work with your Pentax 67 and nearly any Pentax 67 lens (not included)

Nikon TC-17E II lens mount_Leica R with minor cosmetic wear andThe Nikon TC 17E II is an autofocus teleconverter designed for select Nikon AF S telephoto lenses (here's Nikon's compatibility list). Provides a 1. 7x focal length boost, loses about a stop and a half of light. In good cosmetic condition, with minor paint and finish wear. Good optics and function. Includes caps.