Thank you for purchasing and using our products.

We would like to announce that a new firmware update for SIGMA interchangeable lenses for Canon is now available.

This firmware update corrects the phenomenon that the continuous shooting speed of some SIGMA interchangeable lenses with firmware Ver.2.00 decreases in certain combinations with some cameras.

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. 1.4.1 or later for Windows, and Ver. 1.4.0 or later for Macintosh.

[Applicable products]
SIGMA 35mm F1.4 DG HSM | Art CANON
SIGMA 50mm F1.4 DG HSM | Art CANON
SIGMA 85mm F1.4 DG HSM | Art CANON
SIGMA 135mm F1.8 DG HSM | Art CANON
SIGMA 18-35mm F1.8 DC HSM | Art CANON
SIGMA 24-70mm F2.8 DG OS HSM | Art CANON
SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary CANON

[Benefit of the update]
・Corrected the phenomenon that the continuous shooting speed of some SIGMA interchangeable lenses with firmware Ver.2.00 decreases in certain combinations with some cameras.

【SIGMA Optimization Pro Download page】
https://www.sigma-global.com/jp/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.