N°91372 · Family detail
HeliosPortrait·M42 mount·1991
Helios-77M-4 50mm F/1.8 MC
Specifications01
MountM42
Focal length50mm
Max aperturef/1.8
TypePortrait · Prime
Release year1991
Weight250 g
Filter size52 mm
Min focus distance0.45 m
Aperture blades6
Optical elements6
Groups4
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings only)
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeStandard prime lens
Field Notes02
Helios-77M-4 is a 50mm prime manual-focus lens for M42 screw mounts, with a maximum aperture of f/1.8 for low-light and portrait use. It is an older manual design.
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Other Mounts03
No alternate mounts are indexed for this family yet.