Soviet wide-angle lens Jupiter 12 for rangefinder cameras such as Kiev, Contax and others with Contax RF mount (Kiev). Released by the Lytkaren Optical Glass Plant in 1976. Copied from German Carl Zeiss Jena Biogon 1: 2.8 f = 3.5cm. Good condition, completely serviceable. The focus ring rotates approximately 300 degrees, focusing smoothly. The diaphragm consists of 5 blades. The lens is sharp, has an owl "character", conveys the atmosphere of the shooting location in an original way ..., beautifully shapes the bokeh.