Sigma MF 28-50mm F/2.8-3.5 Multi-Coated
- Mount
- ROLLEI QBM
- Focal Length
- 28-50mm
- Max Aperture
- F/2.8
- Type
- Zoom
- Brand
- Unknown
Sigma MF 28-50mm zoom lens for the Rollei QBM mount with variable maximum aperture from f/2.8 to f/3.5. Manual focus; used for general-purpose wide-to-short-tele photography.
Last verified: 2026-04-27