21.55.40Firmware update for SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for CANON EF mount
News from Sigma
Thank you for purchasing and using our products.
We would like to announce that a new firmware update for SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for CANON EF mount is now available.
For customers who own the SIGMA USB DOCK and applicable products listed below, please update the firmware via SIGMA Optimization Pro※.
[Benefits of the update]
【SIGMA Optimization Pro Download page】
For further information, please contact your nearest authorized SIGMA subsidiary / distributor.
We appreciate your continued support for our company and products.
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