N°103405 · Family detail
Helios-81Portrait·M42 mount
Helios-81 50mm F/2
Specifications01
MountM42
Focal length50mm
Max aperturef/2
TypePortrait · Prime
Field Notes02
Helios-81 is a 50mm F/2 standard prime lens for the M42 screw mount, intended for general photography and portrait use. It has a fixed maximum aperture of f/2 for low-light capability and shallow depth of field.
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Other Mounts03
This lens family is also indexed in 2 other mounts.