50mm f/2 JUPITER-8M Soviet Lens copy Sonnar Mount CONTAX RF For KIEV 2, 3, 4

Classic Soviet rangefinder lens produced in the 1960s–1970s, based on the famous Carl Zeiss Sonnar 50mm f/2 optical formula. ???? Focal length: 50mm. Fully functional. Focus ring moves smoothly, aperture blades clean and oil-free.