Sigma MF 28-84mm F/3.5-4.5 MC Zoom Theta III
- Mount
- MINOLTA SR
- Focal Length
- 28-84mm
- Max Aperture
- F/3.5
- Type
- Zoom
- Brand
- Unknown
Sigma Theta III 28–84mm zoom for Minolta SR (A-mount). Variable maximum aperture is about f/3.5–4.5, intended for general-purpose shooting across wide to short-tele ranges.
Last verified: 2026-04-27