150-600mm F5-6.3 DG DN OS | Sports (Sony E-mount serial number : 56389566 or lower) firmware v03
Sigma · Released May 25, 2023 · First seen by GearPulse Jul 5, 2026
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.Improved tracking performance when the camera’s focus mode is set to AF-C.
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