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.

We have received reports that firmware updates for the SIGMA 150-600mm F5-6.3 DG DN OS | Sports are not available, and we have temporarily suspended the release of the firmware. We will announce on our website and other social platforms when the firmware will be available again, so please be patient. We apologize for any inconvenience this may cause.

[Applicable products]
・SIGMA 16-28mm F2.8 DG DN | Contemporary in Sony E-mount
・SIGMA 28-70mm F2.8 DG DN | Contemporary in Sony E-mount

[Benefit of the update]
・AF assist function during video recording is now supported.
*Only Sony camera models with AF assist function are supported.

[Applicable product]
・SIGMA 150-600mm F5-6.3 DG DN OS | Sports in Sony E-mount

[Benefits of the update]
・AF assist function during video recording is now supported.
*Only Sony camera models with AF assist function are supported.
・The phenomenon whereby in rare cases the focus moves after being set during single AF when it is used on the Sony α7 IV has been corrected.

[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.