Sigma 28mm F1.4 DG HSM | Art (SIGMA SA-mount)
firmware v1.01
Sigma · Released Feb 20, 2020 · First seen Jul 5, 2026
v1.01 is the latest firmware for the Sigma 28mm F1.4 DG HSM / Art (SIGMA SA-mount), released February 20, 2020.
What's in this update
It has improved AF speed and quality used in combination with SIGMA MOUNT CONVERTER MC-21 SA-L.It has optimized the aperture control when used in combination with SIGMA MOUNT CONVERTER MC-21 SA-L.
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