The L-Mount 70-200mm F2.8 DG DN OS Sports weighs 1,345g and is 205.0mm long, with a 77mm filter size. Its 20 elements in 15 groups include six FLD, two SLD and three aspherical elements, and floating focus is driven by two HLA linear motors. OS2 stabilization is rated at 7.5 stops at 70mm and 5.5 stops at 200mm.
Product released: October 26, 2023
Latest firmware version
Version 1.2, released April 17, 2025
Last checked for updates: Oct 31, 2026 17:36 UTC
What's new in version 1.2
・Fixed an issue where the setting for the focus limiter's boundary distance would not be reflected even if it was set using SIGMA Optimization Pro.
LatestUpdate has tracked 2 versions of Sigma 70-200mm F2.8 DG DN OS Sports (L-Mount) firmware, released between April 18, 2024 and April 17, 2025.
Version 1.2 - April 17, 2025: ・Fixed an issue where the setting for the focus limiter's boundary distance would not be reflected even if it was set using SIGMA Optimization Pro.
What is Sigma 70-200mm F2.8 DG DN OS Sports (L-Mount)?
The L-Mount 70-200mm F2.8 DG DN OS Sports weighs 1,345g and is 205.0mm long, with a 77mm filter size. Its 20 elements in 15 groups include six FLD, two SLD and three aspherical elements, and floating focus is driven by two HLA linear motors. OS2 stabilization is rated at 7.5 stops at 70mm and 5.5 stops at 200mm. It was originally released on October 26, 2023.
What is the latest firmware version of Sigma 70-200mm F2.8 DG DN OS Sports (L-Mount)?
The latest firmware version of Sigma 70-200mm F2.8 DG DN OS Sports (L-Mount) is 1.2. It was released on April 17, 2025.
What changed in Sigma 70-200mm F2.8 DG DN OS Sports (L-Mount) firmware version 1.2?
Sigma 70-200mm F2.8 DG DN OS Sports (L-Mount) firmware version 1.2 includes the following changes: ・Fixed an issue where the setting for the focus limiter's boundary distance would not be reflected even if it was set using SIGMA Optimization Pro.
Where can I download the latest Sigma 70-200mm F2.8 DG DN OS Sports (L-Mount) firmware?
Details and download instructions for the latest Sigma 70-200mm F2.8 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/s023_70_200_28/?mount=l-mount
How often does Sigma release firmware updates for Sigma 70-200mm F2.8 DG DN OS Sports (L-Mount)?
We have tracked 2 firmware versions of Sigma 70-200mm F2.8 DG DN OS Sports (L-Mount).