NiSi 250mm F/5.6 Reflex SLR
- Mount
- CANON EF
- Focal Length
- 250mm
- Max Aperture
- F/5.6
- Type
- Mirror
- Brand
- NiSi
NiSi 250mm f/5.6 reflex (mirror) lens for Canon EF mount. Fixed telephoto focal length intended for distant subjects; uses a catadioptric optical design with a moderate maximum aperture.
Last verified: 2026-04-27