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
Last checked for updates: Oct 31, 2026 17:35 UTC
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.
LatestUpdate has tracked 2 versions of Sigma 20mm F1.4 DG DN Art (L-Mount) firmware, released between October 24, 2024 and January 22, 2026.
Version 1.2 - January 22, 2026: ・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.*…
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. It was originally released on February 23, 2023.
What is the latest firmware version of Sigma 20mm F1.4 DG DN Art (L-Mount)?
The latest firmware version of Sigma 20mm F1.4 DG DN Art (L-Mount) is 1.2. It was released on January 22, 2026.
What changed in Sigma 20mm F1.4 DG DN Art (L-Mount) firmware version 1.2?
Sigma 20mm F1.4 DG DN Art (L-Mount) firmware version 1.2 includes the following changes: ・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.
Where can I download the latest Sigma 20mm F1.4 DG DN Art (L-Mount) firmware?
Details and download instructions for the latest Sigma 20mm F1.4 DG DN Art (L-Mount) firmware (version 1.2) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/a022_20_14/?mount=l-mount
How often does Sigma release firmware updates for Sigma 20mm F1.4 DG DN Art (L-Mount)?
We have tracked 2 firmware versions of Sigma 20mm F1.4 DG DN Art (L-Mount).
Is Sigma 20mm F1.4 DG DN Art (L-Mount) still receiving firmware updates?
Yes, Sigma 20mm F1.4 DG DN Art (L-Mount) received a firmware update within the last year. The most recent version is 1.2.