Sigma 100-400mm F5-6.3 DG OS HSM | Contemporary (SIGMA SA-mount) firmware v1.04

Sigma · Released Jan 23, 2020 · First seen Jul 5, 2026

v1.04 is the latest firmware for the Sigma 100-400mm F5-6.3 DG OS HSM / Contemporary (SIGMA SA-mount), released January 23, 2020.

What's in this update

It has optimized the op​eration of Mode 2 in Optical Stabilizer when used​ in combination with the SIGMA MOUNT CONVERTER MC-21 SA-L.

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Other versions for this product

See the full firmware history for the 100-400mm F5-6.3 DG OS HSM | Contemporary (SIGMA SA-mount)