Promaster Spectrum 7 28-70mm F/3.5-4.5
- Mount
- PENTAX K
- Focal Length
- 28-70mm
- Max Aperture
- F/3.5
- Type
- Zoom
- Brand
- Unknown
Promaster Spectrum 7 is a Pentax K-mount zoom lens with a 28–70mm focal range and variable maximum aperture of f/3.5–4.5, intended for general-purpose photography.
Last verified: 2026-04-27