Thank you for purchasing and using our products.
We would like to announce that a new firmware update is now available for the SIGMA Global Vision lenses in L-Mount listed below.

【Applicable product】

SIGMA 60-600mm F4.5-6.3 DG DN OS | Sports for L-Mount

【Benefit of the update】

Ver.1.1
・Supports Leica Extender L 1.4x by Leica Camera AG

【Applicable product】

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

【Benefit of the update】

Ver.1.3
・Supports Leica Extender L 1.4x by Leica Camera AG

【Applicable product】

SIGMA 105mm F2.8 DG DN MACRO | Art for L-Mount

【Benefit of the update】

Ver.1.2
・Supports Leica Extender L 1.4x by Leica Camera AG

【How to update】

For those who update the firmware in-camera
Please select the applicable product from the following page, go to the download page, click “L Mount” and follow the update procedure.
https://www.sigma-global.com/en/support/purpose/firmware/?mode=search&product_category=lens

For those 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.

Note:
・Before updating lens firmware using the SIGMA USB DOCK UD-11, please ensure you update SIGMA Optimization Pro to the latest version.
・Do not remove the lens or press the detachment button while updating firmware.

【SIGMA Optimization Pro download page】

https://www.sigma-global.com/en/software/sigma-optimization-pro/

For those who do not own the SIGMA USB DOCK UD-11 and are unable to update using the camera, please contact our customer support for a free update.

We appreciate your continued support for SIGMA products.