Helios-81 50mm F/2
- Mount
- M42
- Focal Length
- 50mm
- Max Aperture
- F/2
- Type
- Portrait
- Brand
- Unknown
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.
Last verified: 2026-04-27