Auto Revuenon 50mm f/1.8 - Sample Images
Info, Review and images of the lens:
This lens is a renamed Pentacon 50mm f/1.8.
Optically the same but the earlier Pentacon lenses did not have multi-coating.
Optical design: 6 elements in 4 groups
Lens mount: M42, Pentax K (PK)
Covers: Full-frame (24×36mm)