Firmware update for SIGMA 100-400mm F5-6.3 DG DN OS | Contemporary for L-Mount

Thank you for purchasing and using our products.

We would like to announce that a new firmware update for SIGMA 100-400mm F5-6.3 DG DN OS | Contemporary for L-Mount is now available.

[Applicable product]
・SIGMA 100-400mm F5-6.3 DG DN OS | Contemporary for L-Mount

[Benefits of the update]
・It has improved the phenomenon whereby the lens’s optical stabilizer effect differs depending on the shutter type used.

[How to update]
For those who update the firmware in-camera, please refer to the following page for firmware updates
https://www.sigma-global.com/en/lenses/c020_100_400_5_63/?tab=support&local=firmware

For customers who own the SIGMA USB DOCK UD-11
Connect the lens to a computer via the SIGMA USB DOCK UD-11 (sold separately), then open SIGMA Optimization Pro*. If the lens firmware isn’t the latest version, the following message will appear: ‘The latest lens firmware is available’. Click ‘Yes’ to update.
* Before updating lens firmware using the SIGMA USB DOCK UD-11, please ensure you update SIGMA Optimization Pro to the latest version.

【SIGMA Optimization Pro download page】
https://www.sigma-global.com/en/download/lenses/sigma-optimization-pro

For further information, please contact your nearest authorized SIGMA subsidiary / distributor.
https://www.sigma-global.com/en/about/world-network/

We appreciate your continued support for our company and products.