Sigma MF Telephoto 400mm F/5.6 APO Multi-Coated ZEN
- Mount
- OLYMPUS OM
- Focal Length
- 400mm
- Max Aperture
- F/5.6
- Type
- Telephoto
- Brand
- Unknown
Sigma 400mm f/5.6 fixed-aperture telephoto prime for the Olympus OM mount, intended for distant subjects such as sports and wildlife. APO multi-coating indicates an apochromatic correction.
Last verified: 2026-04-27