Sigma 100-400mm F5-6.3 DG DN OS | Contemporary (L-Mount)
firmware v1.2
Sigma · Released Jul 15, 2021 · First seen Jul 5, 2026
v1.2 is not the latest firmware for the Sigma 100-400mm F5-6.3 DG DN OS / Contemporary (L-Mount): the current version is v1.4 (May 22, 2025). Go to v1.4
What's in this update
It has improved the phenomenon whereby the lens’s optical stabilizer effect differs depending on the shutter type used.
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