Tomioka Auto Cosinon 55mm F/1.2

Specifications01

MountM42

Focal length55mm

Max aperturef/1.2

TypePortrait · Prime

Release year1970

Weight336 g

Filter size55 mm

Min focus distance0.5 m

Aperture blades8

Optical elements7

Groups6

AutofocusNo

StabilizationNo

Aperture controlAperture ring (Manual settings only)

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeStandard prime lens

Field Notes02

Tomioka Cosinon Auto is a 55mm M42 prime lens with a maximum aperture of f/1.2, intended for portrait/low-light use. It’s a standard focal length fixed-lens design for shallow depth of field.

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Catalog note · source: thelensdb

Sources03

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Other Mounts03

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