Porst Color Reflex Auto 50mm F/1.7
- Mount
- M42
- Focal Length
- 50mm
- Max Aperture
- F/1.7
- Type
- Mirror
- Brand
- Unknown
50mm prime lens for M42 mounts with a maximum aperture of f/1.7, suited to general-purpose photography and low-light use. Often sold as a manual-focus standard prime.
Last verified: 2026-04-27