Sigma AF 20mm F/1.8 EX DG ASPH RF
- Mount
- PENTAX K
- Focal Length
- 20mm
- Max Aperture
- F/1.8
- Type
- Wide
- Brand
- Unknown
Sigma AF 20mm f/1.8 is a Pentax K-mount prime lens for wide-angle photography, usable for low-light work due to its large f/1.8 maximum aperture.
Last verified: 2026-04-27