Sigma 20mm f/1.4 Art DG DN Lens
- The world’s first 20mm F1.4 Full-frame mirrorless lens
- The Ultimate lens for astrophotography
- Extremely well-controlled sagittal coma flare, and combines an optical design with in-camera corrections that keep distortion under control.
- Accepts 82mm front filters, a rarity on ultra-wide, fast primes