Thank you for purchasing and using our products.
We are pleased to announce that a firmware update for the SIGMA MOUNT CONVERTER MC-11 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 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. 1.5.0 or later.

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

[Benefits of the update]
・It has become compatible with the 17-70mm F2.8-4 DC MACRO OS HSM | Contemporary for CANON EF mount, that has the latest firmware Ver.2.01.
・It has become compatible with the SIGMA 18-200mm F3.5-6.3 DC MACRO OS HSM | Contemporary for CANON EF mount, that has the latest firmware Ver.2.01.
・It has become compatible with the SIGMA 18-35mm F1.8 DC HSM | Art for CANON EF mount, that has the latest firmware Ver.2.02.
・It has become compatible with the SIGMA 50-100mm F1.8 DC HSM | Art for CANON EF mount, that has the latest firmware Ver.2.02.
・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.2.04.

【SIGMA Optimization Pro Download page】

https://www.sigma-global.com/en/download/lenses/sigma-optimization-pro/

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

We appreciate your continued support for our company and products.