The Sigma 23mm F1.4 DC DN Contemporary is an APS-C standard prime for L-Mount mirrorless featuring 10 elements in 8 groups and a fast F1.4 aperture with a stepping motor. It provides a 35mm full-frame equivalent field of view. The lens belongs to Sigma's Global Vision Contemporary line.
Product released: January 27, 2022
Latest firmware version
Version 1.2, released May 21, 2026
Last checked for updates: Oct 31, 2026 17:36 UTC
What's new in version 1.2
・Specific functions can now be assigned to the focus ring during AF. ・The rotation direction of the focus ring during MF can now be set. ・Aperture values can now be displayed as T-stops during movie recording. *Only on supported cameras.
LatestUpdate has tracked 2 versions of Sigma 23mm F1.4 DC DN Contemporary (L-Mount) firmware, released between June 26, 2025 and May 21, 2026.
Version 1.2 - May 21, 2026: ・Specific functions can now be assigned to the focus ring during AF. ・The rotation direction of the focus ring during MF can now be set. ・Aperture values can n…
What is Sigma 23mm F1.4 DC DN Contemporary (L-Mount)?
The Sigma 23mm F1.4 DC DN Contemporary is an APS-C standard prime for L-Mount mirrorless featuring 10 elements in 8 groups and a fast F1.4 aperture with a stepping motor. It provides a 35mm full-frame equivalent field of view. The lens belongs to Sigma's Global Vision Contemporary line. It was originally released on January 27, 2022.
What is the latest firmware version of Sigma 23mm F1.4 DC DN Contemporary (L-Mount)?
The latest firmware version of Sigma 23mm F1.4 DC DN Contemporary (L-Mount) is 1.2. It was released on May 21, 2026.
What changed in Sigma 23mm F1.4 DC DN Contemporary (L-Mount) firmware version 1.2?
Sigma 23mm F1.4 DC DN Contemporary (L-Mount) firmware version 1.2 includes the following changes: ・Specific functions can now be assigned to the focus ring during AF. ・The rotation direction of the focus ring during MF can now be set. ・Aperture values can now be displayed as T-stops during movie recording. *Only on supported cameras.
Where can I download the latest Sigma 23mm F1.4 DC DN Contemporary (L-Mount) firmware?
Details and download instructions for the latest Sigma 23mm F1.4 DC DN Contemporary (L-Mount) firmware (version 1.2) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/c023_23_14/?mount=l-mount
How often does Sigma release firmware updates for Sigma 23mm F1.4 DC DN Contemporary (L-Mount)?
We have tracked 2 firmware versions of Sigma 23mm F1.4 DC DN Contemporary (L-Mount).
Is Sigma 23mm F1.4 DC DN Contemporary (L-Mount) still receiving firmware updates?
Yes, Sigma 23mm F1.4 DC DN Contemporary (L-Mount) received a firmware update within the last year. The most recent version is 1.2.