Sigma MF 400mm F/5.6 Mirror
- Mount
- CANON FD
- Focal Length
- 400mm
- Max Aperture
- F/5.6
- Type
- Mirror
- Brand
- Sigma
Sigma 400mm F/5.6 mirror lens for Canon FD mount. A long telephoto design intended for distant subjects, with a fixed f/5.6 maximum aperture and mirror optics.
Last verified: 2026-04-27