500mm F4 DG OS HSM | Sports (SIGMA SA-mount) firmware v1.02
Sigma · Released Jan 23, 2020 · First seen by GearPulse Jul 5, 2026
What's in this update
It has optimized the operation of Mode 2 in Optical Stabilizer when used in combination with the SIGMA MOUNT CONVERTER MC-21 SA-L.
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