Carl Zeiss Color-Pantar 50mm f/2.8 (Zeiss Ikon) - Sample Images
Info:
Introduced: ?? around 1960s
Optical design: 3 elements in 3 groups
Lens mount: Icarex bayonet mount (BM mount)
Covers: Full-frame (24×36mm)
More info:
http://allphotolenses.com/lenses/item/c_3332.html#prettyPhoto
Info about the Icarex SRLs and lenses: http://camerapedia.wikia.com/wiki/Icarex
