Soviet-era Jupiter telephoto prime — a budget vintage lens with historical character.
The Jupiter-11 A 135mm f/4 is a Soviet medium telephoto prime from KMZ — the Jupiter-11 was produced across multiple decades in varying mounts and materials. Mount uncertain.
135mm focal length. f/4 maximum aperture. Soviet/Russian manufacture (KMZ). Manual focus. Mount uncertain.
The Jupiter-11 is one of the classic Soviet lenses — a 135mm f/4 made from the 1950s through the 1990s in multiple versions. The 'A' suffix designation may indicate aluminum construction, a specific mount, or a production era. The Jupiter-11 was produced for M39 (Leica screw thread), M42 (universal screw), and Kiev (Contax-type bayonet). Verify mount from physical inspection.
On the used market the Jupiter-11 A 135mm f/4 is a classic Soviet telephoto. Condition checks: aperture blades, focus helicoid, coatings. Verify mount physically before purchase.