Thank you for purchasing and using our products.
We would like to announce that a new firmware update for SIGMA’s interchangeable lenses for SIGMA listed below is now available.

This firmware update corrects the phenomenon whereby it may occasionally show overexposure when narrowing down to certain aperture while shooting and improves the stability of the image in the viewfinder, making it easier to confirm composition.

For customers who own the SIGMA USB DOCK and applicable products listed below, please update the firmware via SIGMA Optimization Pro※.

※ Before updating the firmware using the SIGMA USB DOCK, please ensure to update SIGMA Optimization Pro to Ver. 1.5.0. or later.

[Applicable products]
・SIGMA 24-70mm F2.8 DG OS HSM | Art for SIGMA
・SIGMA 85mm F1.4 DG HSM | Art for SIGMA

[Benefit of the update]
・It has corrected the phenomenon whereby it may occasionally show overexposure when narrowing down the aperture from F8 while shooting.

[Applicable product]
・SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary for SIGMA

[Benefit of the update]
・It has improved the stability of the image in the viewfinder, making it easier to confirm composition, thanks to the updated control algorithm of the Optical Stabilizer.

【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.