Thank you for purchasing and using our products.

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

This firmware update makes the SIGMA MOUNT CONVERTER MC-11 SA-E / EF-E compatible with our new products as well as the latest firmware of existing 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 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 from the following download page.

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

[Benefits of the update]
It has become compatible with the SIGMA 70mm F2.8 DG MACRO｜Art for SIGMA.
It has become compatible with the SIGMA 105mm 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 105mm F1.4 DG HSM｜Art for Canon.
・It has become compatible with the SIGMA interchangeable lenses for Canon that have the latest firmware Ver.2.01.

[SIGMA Optimization Pro Download page]
https://www.sigma-global.com/jp/download/lenses/sigma-optimization-pro/

For further assistance please contact Sigma Imaging (UK) Ltd Service Department by emailing service@sigmauk.com or by telephone 01707 329 999

We appreciate your continued support for our company and products.