SMC Pentax 500mm f4.5 for Pentax K battery door it's a usable 1

it's a usable 1

Includes a four-compartment square insert

which is also called the 16566

Extends to approximately 3

5 is a wide angle lens for Mamiya 645 medium format cameras

SMC Pentax 500mm f4.5 for Pentax K battery door it's a usable 1The 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,