150-600mm F5-6.3 DG OS HSM | Sports (Canon EF mount) firmware v1.04
Sigma · Released Mar 11, 2016 · First seen by GearPulse Jul 5, 2026
What's in this update
It has improved the AF algorithm to further enhance AF speed. Note: Before upgrading the firmware of 150-600mm F5-6.3 DG OS HSM S014, please first update your SIGMA Optimization Pro to Ver1.2.0.
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