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Made by Sigma
The Sigma 45mm F2.8 DG DN Contemporary is a full-frame standard prime for mirrorless L-Mount in the compact 'I' series design, featuring 10 elements in 9 groups with a metal body and a 9-blade circular aperture. It was the first lens in Sigma's 'I' series launched alongside the fp camera. The lens belongs to Sigma's Global Vision Contemporary I series.
Product released: September 19, 2019
Version 1.7, released March 18, 2026
Verified by LatestUpdate: June 18, 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.* ・Added the option to display the aperture value as a T-stop during video recording.* *Only on supported cameras.
Official Sigma 45mm F2.8 DG DN Contemporary (L-Mount) product page
The Sigma 45mm F2.8 DG DN Contemporary is a full-frame standard prime for mirrorless L-Mount in the compact 'I' series design, featuring 10 elements in 9 groups with a metal body and a 9-blade circular aperture. It was the first lens in Sigma's 'I' series launched alongside the fp camera. The lens belongs to Sigma's Global Vision Contemporary I series. It was originally released on September 19, 2019.
The latest firmware version for the Sigma 45mm F2.8 DG DN Contemporary (L-Mount) is 1.7. It was released on March 18, 2026.
Sigma 45mm F2.8 DG DN Contemporary (L-Mount) firmware version 1.7 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.
To update the Sigma 45mm F2.8 DG DN Contemporary (L-Mount) firmware, download the latest version (1.7) from Sigma's website. Follow Sigma's installation instructions, which typically involve copying the firmware file to a memory card or connecting via USB. You can download the latest firmware from Sigma's support page.
Details and download instructions for the latest Sigma 45mm F2.8 DG DN Contemporary (L-Mount) firmware (version 1.7) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/c019_45_28/?mount=l-mount
You can track Sigma 45mm F2.8 DG DN Contemporary (L-Mount) firmware updates automatically on LatestUpdate.io. We monitor Sigma's releases and notify you when new firmware versions are available, so you never miss an update.
We have tracked 7 firmware versions for the Sigma 45mm F2.8 DG DN Contemporary (L-Mount). Sigma releases updates to fix bugs, improve performance, and add new features. Track this product on LatestUpdate.io to be notified of future releases.
Yes, the Sigma 45mm F2.8 DG DN Contemporary (L-Mount) received a firmware update within the last year. The most recent version is 1.7.
The Sigma 45mm F2.8 DG DN Contemporary (L-Mount) is manufactured by Sigma. Visit the official product page for more information.