Thank you for purchasing and using our products.

We are pleased to announce that a 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, please update the firmware via SIGMA Optimization Pro※ by connecting it to a computer using the supplied USB Cable.

※Before updating the firmware, please ensure SIGMA Optimization Pro has been updated to Ver.1.5.0 or later for Windows / Ver. 1.5.1. or later for Macintosh.

※Before attaching the updated SIGMA MOUNT CONVERTER MC-11 to the camera body, please remove the battery pack from the camera and put it back in again.

[Applicable product]
・SIGMA MOUNT CONVERTER MC-11 SA-E

[Benefits of the update]
・It has become compatible with the SIGMA 14-24mm F2.8 DG HSM | Art for SIGMA SA mount, that has the latest firmware Ver.1.01.
・It has become compatible with the SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for SIGMA SA mount, that has the latest firmware Ver.1.04.
・It has become compatible with the SIGMA 85mm F1.4 DG HSM | Art for SIGMA SA mount, that has the latest firmware Ver.1.03.
・It has become compatible with the SIGMA 500mm F4 DG OS HSM | Sports for SIGMA SA mount, that has the latest firmware Ver.1.02.

[Applicable product]
・SIGMA MOUNT CONVERTER MC-11 EF-E

[Benefits of the update]
・It has become compatible with the SIGMA 100-400mm F5-6.3 DG OS HSM | Contemporary for CANON EF mount, that has the latest firmware Ver.2.06.

【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.