Thank you for purchasing and using our products.

We are pleased to announce that a new firmware update for the SIGMA MOUNT CONVERTER MC-11 SA-E and EF-E is now available.

This firmware makes the SIGMA MOUNT CONVERTER MC-11 compatible with the latest firmware of SIGMA interchangeable lenses.
For customers who own the SIGMA MOUNT CONVERTER MC-11 SA-E / EF-E, please update the firmware via SIGMA Optimization Pro※ by connecting it to a computer using the supplied USB Cable.

※ Before updating the SIGMA MOUNT CONVERTER MC-11 firmware, please ensure SIGMA Optimization Pro has been updated to ver. 1.4.1 or later for Windows, and ver. 1.4.0 or later for Macintosh.

【Applicable product】
・SIGMA MOUNT CONVERTER MC-11 SA-E

【Benefit of the update】
・It has become compatible with the SIGMA 40mm F1.4 DG HSM | Art for SIGMA.

【Applicable product】
・SIGMA MOUNT CONVERTER MC-11 EF-E

【Benefits of the update】
・It has become compatible with the SIGMA 40mm F1.4 DG HSM | Art for Canon.
・It has become compatible with the SIGMA 17-70mm F2.8-4 DC MACRO OS HSM | Contemporary for Canon and the SIGMA 18-200mm F3.5-6.3 DC MACRO OS HSM | Contemporary for Canon, that have the latest firmware Ver.2.00.

【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.