3M-7 300mm F/5.6
- Mount
- M42
- Focal Length
- 300mm
- Max Aperture
- F/5.6
- Type
- Telephoto
- Brand
- Unknown
300mm prime lens with a maximum aperture of f/5.6 for M42 screw-mount cameras, typically used for telephoto subjects such as sports or wildlife.
Last verified: 2026-04-27