In L-Mount, the 500mm F5.6 DG DN OS Sports weighs 1,370g and measures 234.6mm, a size Sigma presents as suited to hand-held 500mm shooting on full-frame mirrorless bodies. Its 20 elements in 14 groups include three FLD and two SLD elements, and it focuses as close as 3.2m. An HLA linear motor drives autofocus, and the OS2 stabilizer is rated at 5.0 stops.
Product released: July 20, 2023
Latest firmware version
Version 1.2, released April 23, 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 500mm F5.6 DG DN OS Sports (L-Mount) firmware, released between December 19, 2024 and April 23, 2026.
Version 1.2 - April 23, 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.*…
What is Sigma 500mm F5.6 DG DN OS Sports (L-Mount)?
In L-Mount, the 500mm F5.6 DG DN OS Sports weighs 1,370g and measures 234.6mm, a size Sigma presents as suited to hand-held 500mm shooting on full-frame mirrorless bodies. Its 20 elements in 14 groups include three FLD and two SLD elements, and it focuses as close as 3.2m. An HLA linear motor drives autofocus, and the OS2 stabilizer is rated at 5.0 stops. It was originally released on July 20, 2023.
What is the latest firmware version of Sigma 500mm F5.6 DG DN OS Sports (L-Mount)?
The latest firmware version of Sigma 500mm F5.6 DG DN OS Sports (L-Mount) is 1.2. It was released on April 23, 2026.
What changed in Sigma 500mm F5.6 DG DN OS Sports (L-Mount) firmware version 1.2?
Sigma 500mm F5.6 DG DN OS Sports (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 500mm F5.6 DG DN OS Sports (L-Mount) firmware?
Details and download instructions for the latest Sigma 500mm F5.6 DG DN OS Sports (L-Mount) firmware (version 1.2) are on Sigma's official release page: https://www.sigma-global.com/en/support/firmware/s024_500_56/?mount=l-mount
How often does Sigma release firmware updates for Sigma 500mm F5.6 DG DN OS Sports (L-Mount)?
We have tracked 2 firmware versions of Sigma 500mm F5.6 DG DN OS Sports (L-Mount).
Is Sigma 500mm F5.6 DG DN OS Sports (L-Mount) still receiving firmware updates?
Yes, Sigma 500mm F5.6 DG DN OS Sports (L-Mount) received a firmware update within the last year. The most recent version is 1.2.