Industrar 50mm F/3.5 M39 Prime Lens - Soviet KMZ

Description:
The Industar-50 50mm f/3.5 is a compact Soviet-made standard lens using the M39 Leica Thread Mount (LTM). Manufactured from 1953 to the mid-1980s by KMZ and other Soviet factories, it’s based on the classic Zeiss Tessar 4-element/3-group optical design. With its pancake-style form and clickless aperture ring, it delivers sharp, contrasty images with vintage character. Ideal for rangefinder cameras or adapted use on digital mirrorless systems.

Condition:
Overall Condition: Good
Lens barrel shows light cosmetic wear. Some very minor scratches and dust. Aperture blades clean and snappy. Focus ring smooth. Mount threads clean and secure.

Included:

• Industar-50 50mm f/3.5 lens (M39 screw mount)
• Front cap

Collectors Notes:
This lens was produced in multiple variants for both rangefinder and SLR systems. The M39 version shown here is rangefinder-compatible with a 28.8mm flange distance, suitable for Leica-type bodies. It features a 33.5mm filter thread, 7-blade aperture, and a minimum focus distance of 0.9m. Lightweight at just 102g, it’s a favourite among mirrorless shooters for its portability and vintage rendering. A classic Soviet optic with enduring appeal.

Key Features:

• M39 Leica Thread Mount (LTM)
• Focal length: 50mm
• Maximum aperture: f/3.5
• Optical design: 4 elements in 3 groups (Tessar-type)
• Minimum focus distance: 0.9m
• Aperture: 7 blades, clickless manual ring
• Filter thread: 33.5mm
• Weight: ~102g
• Made in USSR (KMZ or LZOS)

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