150-600mm F5-6.3 DG OS HSM | Contemporary (SIGMA SA-mount) firmware v1.02
Sigma · Released Mar 14, 2019 · First seen by GearPulse Jul 5, 2026
What's in this update
It has improved the stability of the image in the viewfinder, making it easier to confirm composition, thanks to the updated control algorithm of the Optical Stabilizer.
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Get it from Sigma →