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※.
※ Before updating the firmware using the SIGMA USB DOCK, please ensure to update SIGMA Optimization Pro to Ver. 1.5.0. or later for Windows / Ver. 1.5.1. or later for Macintosh.
・SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for CANON EF mount
[Benefits of the update]
・It has optimized the operation of Mode 2 in Optical Stabilizer when used in combination with the SIGMA MOUNT CONVERTER MC-21 EF-L.
【SIGMA Optimization Pro Download page】
For further assistance please contact Sigma Imaging (UK) Ltd Service Department by email: email@example.com or telephone: 01707 329 999
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