SMC Pentax-F 100-300mm f4.5-5.6 brand_Nissin which is impressive

which is impressive

Approximately 14k actuations

and bounces a small portion up to the viewfinder housing

Its mechanical aperture system also makes this one of the last Micro-Nikkors to cooperate fully with bellows and other off-camera applications

or 130cm with the column down

SMC Pentax-F 100-300mm f4.5-5.6 brand_Nissin which is impressiveThe SMC Pentax F 100 300mm f4. 5 5. 6 is a relatively lightweight telephoto lens for Pentax K mount. It's an autofocus lens, so if your camera supports autofocus, there you go and if you don't mind focusing manually, it'll work an any K mount camera. Cosmetic condition is poor, but function is good.