Carl Zeiss Jena Pancolar 80mm f/1.8 MC - Sample Images
Info and Reviews:
The Carl Zeiss Jena Prakticar 80mm f/1.8 MC are opticly the same lens but has a Prakticar B bayonet mount, closer minimum focus and a 52mm front filter mount.
Optical design: 6 elements in 5 groups
Lens mount: M42
Covers: Full-frame (24×36mm)