SMC Pentax 500mm f4.5 for Pentax K Chemistry type_Developer or slid along its track

or slid along its track manually- great for setting a general position before dialing things in

The focus is smooth and diaphragm blades are clean

Both mount faces attach smoothly and lock securely

a shutter button

Please note: this is a pre-AI lens and compatibility may vary on newer cameras

SMC Pentax 500mm f4.5 for Pentax K Chemistry type_Developer or slid along its trackThe SMC Pentax 500mm f4. 5 is a big, heavy lens: it weighs almost 3. 5kg and measures nearly 44cm long. It is not the sort of lens that you pack in your bag just in case. But it has a handy built in tripod mount, a "gunsight" for general aiming, and image quality is solid. Fun fact: this lens technically has an interchangeable mount, which can be switched between M42 and K mounts; only the K mount is included here. Cosmetic condition is excellent,