For L-Mount, Sigma's 16-28mm F2.8 DG DN Contemporary is a compact constant-aperture ultra-wide zoom of 450g and 100.6mm. An inner zoom mechanism keeps the length fixed while zooming, and the 72mm front filter thread is built in. It has 16 elements in 11 groups with five FLD and four aspherical elements, and it works with the USB DOCK UD-11.
Product released: April 14, 2022
Latest firmware version
Version 1.2, released October 23, 2025
Last checked for updates: Nov 1, 2026 05:35 UTC
What's new in version 1.2
・We have fixed an issue where autofocus would stop working properly on some cameras.
What is Sigma 16-28mm F2.8 DG DN Contemporary (L-Mount)?
For L-Mount, Sigma's 16-28mm F2.8 DG DN Contemporary is a compact constant-aperture ultra-wide zoom of 450g and 100.6mm. An inner zoom mechanism keeps the length fixed while zooming, and the 72mm front filter thread is built in. It has 16 elements in 11 groups with five FLD and four aspherical elements, and it works with the USB DOCK UD-11. It was originally released on April 14, 2022.
What is the latest firmware version of Sigma 16-28mm F2.8 DG DN Contemporary (L-Mount)?
The latest firmware version of Sigma 16-28mm F2.8 DG DN Contemporary (L-Mount) is 1.2. It was released on October 23, 2025.
What changed in Sigma 16-28mm F2.8 DG DN Contemporary (L-Mount) firmware version 1.2?
Sigma 16-28mm F2.8 DG DN Contemporary (L-Mount) firmware version 1.2 includes the following changes: ・We have fixed an issue where autofocus would stop working properly on some cameras.
Where can I download the latest Sigma 16-28mm F2.8 DG DN Contemporary (L-Mount) firmware?
Details and download instructions for the latest Sigma 16-28mm F2.8 DG DN Contemporary (L-Mount) firmware (version 1.2) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/c022_16_28_28/?mount=l-mount
How often does Sigma release firmware updates for Sigma 16-28mm F2.8 DG DN Contemporary (L-Mount)?
We have tracked 2 firmware versions of Sigma 16-28mm F2.8 DG DN Contemporary (L-Mount).