Tomioka Auto Tominon 21mm F/3.5
- Mount
- M42
- Focal Length
- 21mm
- Max Aperture
- F/3.5
- Type
- Wide
- Brand
- Tomioka
21mm f/3.5 wide-angle manual-focus lens for M42 screw-mount cameras, intended for landscape and general wide scenes. Fixed maximum aperture of f/3.5.
Last verified: 2026-04-27