The Sigma 20mm F1.4 DG DN Art is a full-frame ultra-wide prime designed natively for mirrorless L-Mount, featuring 17 elements in 13 groups and a high-speed linear AF motor suited for astrophotography. It is significantly more compact than the HSM version while maintaining Art-series optical quality. The lens belongs to Sigma's Global Vision Art line.
Product released: February 23, 2023
Latest firmware version
Version 1.2, released January 22, 2026
What's new in version 1.2
・Added the ability to assign specific functions to the focus ring during AF.* ・Added the option to change the rotation direction of the focus ring during MF.* ・Added the option to display the aperture value as a T-stop during video recording.* *Only on supported cameras.