Optomax 400mm F/6.3
- Mount
- M42
- Focal Length
- 400mm
- Max Aperture
- F/6.3
- Type
- Telephoto
- Brand
- Unknown
Optomax 400mm F/6.3 is a prime telephoto lens for long-distance subjects. The M42 mount is intended for compatible cameras, typically used for sports, wildlife, or distant landscape details.
Last verified: 2026-04-27