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

[Applicable products]

・SIGMA 24mm F3.5 DG DN | Contemporary in Sony E-mount Ver.02
・SIGMA 90mm F2.8 DG DN | Contemporary in Sony E-mount Ver.02

[Benefit of the update]

AF assist function during video recording is now supported.
*Only SONY camera models with AF assist function are supported.
The focus distance shown on the screen during manual focus has been optimized.

[Applicable products]

・SIGMA 35mm F1.2 DG DN | Art in Sony E-mount Ver.04
・SIGMA 45mm F2.8 DG DN | Contemporary in Sony E-mount Ver.04
・SIGMA 105mm F2.8 DG DN MACRO | Art in Sony E-mount Ver.02

[Benefit of the update]

AF assist function during video recording is now supported.
*Only SONY camera models with AF assist function are supported.

[Applicable products]

・SIGMA 100-400mm F5-6.3 DG DN OS | Contemporary in Sony E-mount Ver.03

[Benefit of the update]

AF assist function during video recording is now supported.
*Only SONY camera models with AF assist function are supported.
*If the firmware of this product is Ver. 01, it is not possible to update the lens firmware via the camera. Please contact our Customer Support Department for the firmware update to be performed by us.

[How to update]

Please select the applicable product from the following page, go to the download page, click “Sony E-mount” and follow the update procedure.
https://www.sigma-global.com/en/support/purpose/firmware/?mode=search&product_category=lens

*After the update is complete, be sure to remove the battery pack from the camera and reinsert it.

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

We appreciate your continued support for our company and products.