Smc Pentax-M 20mm F/4
- Mount
- PENTAX K
- Focal Length
- 20mm
- Max Aperture
- F/4
- Type
- Wide
- Brand
- Pentax
SMC Pentax-M 20mm F/4 is a Pentax K-mount prime wide-angle lens for general wide views and landscape or architectural use. It has a fixed maximum aperture of f/4.
Last verified: 2026-04-27