M42 to all Pentax PK mount adapter ring.
Make M42 mount lenses (Zeiss, Pentax, Praktica, Mamiya, Zenit) can be used on Pentax PK cameras.
There is no ROM connection on the ring so diaphragm control of the lens is set manually.
It is possible to use Macro rings and other accessories.
Brand new, never used.
Made of metal (not plastic).
Weight: 28.89 g
Size: 771.6 cm
1 × M42 lens to Pentax PK Adapter