Isco-Gottingen Regula-Westron 35mm F/3.5
- Mount
- M39
- Focal Length
- 35mm
- Max Aperture
- F/3.5
- Type
- Wide
- Brand
- Unknown
35mm prime lens with a maximum aperture of f/3.5 for M39 (39mm screw) mount. Likely intended for general photography and film/document use rather than modern autofocus systems.
Last verified: 2026-04-27