Sigma 135-400mm F/4.5-5.6 APO RF ZEN
- Mount
- SIGMA SA
- Focal Length
- 135-400mm
- Max Aperture
- F/4.5
- Type
- Telephoto
- Brand
- Unknown
Sigma 135–400mm zoom lens with variable maximum aperture f/4.5–5.6, part of the APO line. Intended for telephoto use (e.g., wildlife and sports) on SIGMA SA mount.
Last verified: 2026-04-27