Jupiter-11 135mm f/4 – Soviet Telephoto Lens
A classic Soviet telephoto lens manufactured by KMZ (Krasnogorsk Mechanical Plant), the Jupiter-11 is based on the Carl Zeiss Sonnar 135mm f/4 optical design. Known for its smooth bokeh and high resolution in the center of the frame, it is popular with portrait, nature, and fine art photographers.
Specifications:
Focal Length: 135 mm
Maximum Aperture: f/4
Minimum Aperture: f/22
Mount: M42
Focus: Manual
Aperture Blades: 12 (rounded, great for creating soft bokeh)
Optical Design: Sonnar-type (4 elements in 3 groups)
Made in the USSR
Minimum Focusing Distance: ~1.2 m
Filter Thread Diameter: 40.5 mm (front)