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

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 product]
SIGMA 60-600mm F4.5-6.3 DG OS HSM | Sports for CANON EF mount
SIGMA 70-200mm F2.8 DG OS HSM | Sports for CANON EF mount
SIGMA 150-600mm F5-6.3 DG OS HSM | Contemporary for CANON EF mount

[Benefits of the update]
・The firmware will optimize the operation of Mode2 in Optical Stabilizer when used in combination with the SIGMA MOUNT CONVERTER MC-21 EF-L.

[Applicable product]
SIGMA 50mm F1.4 DG HSM | Art for CANON EF mount

[Benefits of the update]
・The firmware will improve the AF performance when used in combination with the SIGMA MOUNT CONVERTER MC-21 EF-L.

【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.