Industar-61M 50mm F/2.8

Specifications01

MountM42

Focal length50mm

Max aperturef/2.8

TypePrime

Release year1971

Weight250 g

Filter size52 mm

Min focus distance0.4 m

Aperture blades5

Optical elements4

Groups3

AutofocusNo

StabilizationNo

Aperture controlAperture ring (Manual settings only)

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeStandard prime lens

Field Notes02

Industar-61M is a 50mm prime lens with a maximum aperture of f/2.8 for M42 screw-mount cameras, used for general-purpose photography (often portraits and low-light work).

AI-assisted summary — verify against linked sources

Catalog note · source: thelensdb

Sources03

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Other Mounts03

No alternate mounts are indexed for this family yet.