Vintage lens, HELIOS 103, Soviet 53mm f / 1.8 lens, copy of Sonnar, CONTAX mount for KIEV 2, 3, 4 camera
TECHNICAL CHARACTERISTICS
Focal length: 53mm
Lens mount: Contax RF
Relative aperture: 1: 1.8
Scale of diaphragms: from 1,8 to 22
Diaphragm: Manual
apertures F / 22,16, 11, 8, 5,6 4 2,8 1,8
Petals diafragm - 9
Focusing range: from 1m to infinity
Contax (Kiev-2, 3.3а, 4, 4а, 4am, 4m), bayonet mount Contax-RF. It was standard for Kiev-4AM and Kiev-4M, and was also sold separately. To replace the quite decent Jupiter-8M, the G-103 was produced from 1981 to 1985 inclusive.
Helios-103 on Nikon-F, Canon EF, Pentax-K, Sony-A - no adapter, only system mirrorless cameras