Asahi Super Multicoated Takumar 135mm f2.5 process_Black & White Paper The SMC Pentax-A 50mm f2

The SMC Pentax-A 50mm f2 is a compact standard lens for Pentax K-mount cameras

and the front pocket contains a portfolio of original documents from Project Blue Book

Attaches to Graflok-style backs

The autofocus is pretty quick

The box claims that this is for the Spectra System and that it "can also be used with Polaroid Impulse Cameras

Asahi Super Multicoated Takumar 135mm f2.5 process_Black & White Paper The SMC Pentax-A 50mm f2The Asahi Super Multicoated Takumar 135mm f2. 5 is a M42 mount prime lens. In good cosmetic condition with only some very light paint wear. There is some light internal haze on the mid groups. Has hood.