Sigma 150-600mm F5-6.3 DG DN OS | Sports (L-Mount)
firmware v1.1
Sigma · Released May 25, 2023 · First seen Jul 5, 2026
v1.1 is not the latest firmware for the Sigma 150-600mm F5-6.3 DG DN OS / Sports (L-Mount): the current version is v1.3 (May 22, 2025). Go to v1.3
In short — summary by updatemystuff.com
New OS2 stabilization algorithm improves performance, adds Leica Extender L 1.4x support.
- OS2 image stabilization improved to 6.5 stops at wide end, 5.5 stops at telephoto end
- Leica Extender L 1.4x now supported
Written from Sigma's release notes, which are printed in full below.
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What's in this update
The newly developed “OS2” image stabilization algorithm has been updated to improve the image stabilization effect from approximately 4 stops to approximately 6.5 stops at the wide end and 5.5 stops at the telephoto end.Supports Leica Extender L 1.4x by Leica Camera AG
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