Sigma 28-70mm F/2.8-4 UC
- Mount
- OLYMPUS OM
- Focal Length
- 28-70mm
- Max Aperture
- F/2.8
- Type
- Zoom
- Brand
- Unknown
Sigma UC 28-70mm zoom for Olympus OM mount, with a variable max aperture of f/2.8–f/4. Intended for general-purpose photography across wide-to-short telephoto focal lengths.
Last verified: 2026-04-27