Sigma 4.5mm F/2.8 EX DC HSM Circular Fisheye
- Mount
- PENTAX K
- Focal Length
- 4mm
- Max Aperture
- F/2.8
- Type
- Fisheye
- Brand
- Unknown
Sigma 4.5mm f/2.8 circular fisheye prime for Pentax K, an ultra-wide lens intended for creative wide-angle and distortion effects. Works for low-light wide-angle shooting at its maximum aperture.
Last verified: 2026-04-27