100-400mm F5-6.3 DG DN OS | Contemporary (L-Mount) firmware v1.1
Sigma · Released Mar 25, 2021 · First seen by GearPulse Jul 5, 2026
What's in this update
It has improved the AF accuracy when it is used with the SIGMA fp L.It has optimized the Optical Stabilizer’s Mode2 with the camera settings.It has optimized the open F value display.
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