Sigma 100-400mm F5-6.3 DG DN OS | Contemporary (Sony E-mount serial number : 56398400 or larger)
firmware v02
Sigma · Released Jul 15, 2021 · First seen Jul 5, 2026
v02 is not the latest firmware for the Sigma 100-400mm F5-6.3 DG DN OS / Contemporary (Sony E-mount serial number : 56398400 or larger): the current version is v04 (June 20, 2024). Go to v04
In short — summary by updatemystuff.com
Improved optical stabilizer consistency and enabled firmware updating via camera.
- Optical stabilizer effect now stable across various shutter types and drive modes
- Firmware can now be updated through the camera
Written from Sigma's release notes, which are printed in full below.
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What's in this update
It has improved the phenomenon whereby the lens’s optical stabilizer effect differs depending on the shutter type and drive mode used. It has corrected the phenomenon whereby the lens firmware cannot be updated via the camera.
- Customers cannot update to lens firmware Ver.02 by themselves. After the lens has been updated to Ver.02 by SIGMA, the user can then update all future lens firmware via the camera.
updatemystuff.com never hosts firmware files — always download from the official source.
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