Sigma 500mm F/4.5 APO EX DG [HSM]
- Mount
- PENTAX K
- Focal Length
- 500mm
- Max Aperture
- F/4.5
- Type
- Telephoto
- Brand
- Unknown
Sigma 500mm f/4.5 prime telephoto lens for Pentax K-mount, with APO designation for corrected optics. Intended for distant subjects such as wildlife and sports.
Last verified: 2026-04-27