SMC Pentax-F 50mm f/1.7 iso_100 Compatibility is limited however: Nikon

Compatibility is limited however: Nikon recommends the TC-16A only with the F-501/N2020

originally designed for Canonet cameras

Focusing is smooth

Suitable for film and digital Canon EOS SLR cameras

plus room for a second BLN-1 battery (included)

SMC Pentax-F 50mm f/1.7 iso_100 Compatibility is limited however: NikonThe SMC Pentax F 50mm f 1. 7 is a compact standard lens for Pentax K mount cameras, with autofocus linkage for cameras with focus motors in the body. Naturally, this lens can also be focused manually on older K mount cameras. In excellent condition, with minor cosmetic wear, smooth focusing, good diaphragm action, and clean glass bar some minor coating marks on the front element.