Jupiter-8 (Юпитер-8) lens is a great Soviet/Russian-made copy of a Zeiss Sonnar 50/2. It was produced in both Contax/Kiev bayonet mount and in Leica thread mount.
- Focal length: 50 mm
- Aperture: 1:2 (steps from 2 to 22)
- Focusing range: 1 m – Infinity
- Filter size: 40.5×0.5 mm
- Optical registration (back focus): 28.8 +/- 0.02 mm
- Mount: M39x1 mm (LTM). The lens mounts and RF couples with any Leica or Leica copy (FED, Zorki etc.)
The lens is finished in black – later production version made from mid-1960’s to the production end in the 1980’s. The glass is coated.
The lens is NOS (new old stock), unused, new glass, smooth focusing.
There maybe some very minor blemishes on the lens exterior, caused by age and storage.
New Jupiter-8 lenses are hard to find, as they were made 40-50 years ago.
The Jupiter-8 was sold as a premium option on some Zorki cam