Sigma 500mm F4 DG OS HSM | Sports (SIGMA SA-mount)
firmware v1.01
Sigma · Released Apr 18, 2019 · First seen Jul 5, 2026
v1.01 is not the latest firmware for the Sigma 500mm F4 DG OS HSM / Sports (SIGMA SA-mount): the current version is v1.03 (March 25, 2021). Go to v1.03
What's in this update
It has improved the AF speed and quality when the lens is used with the SIGMA MOUNT CONVERTER MC-21 SA-L.
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See the full firmware history for the 500mm F4 DG OS HSM | Sports (SIGMA SA-mount)