Thank you for purchasing and using our products.

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


Applicable product

• SIGMA MOUNT CONVERTER MC-11 EF-E

Benefits of the update

• It makes the converter compatible with the SIGMA 17-70mm F2.8-4 DC MACRO OS HSM | Contemporary in Canon EF mount, that has the latest firmware Ver2.03.

How to update
• Connect the SIGMA MOUNT CONVERTER MC-11 to a computer with the included USB cable, then open SIGMA Optimization Pro*. If the SIGMA MOUNT CONVERTER MC-11 firmware isn’t the latest version, the following message will appear: ‘The latest SIGMA MOUNT CONVERTER MC-11 firmware is available’. Click ‘Yes’ to update.

• Before attaching the updated SIGMA MOUNT CONVERTER MC-11 to the camera body, please remove the battery pack from the camera then reinsert.

• Before updating MC-11 firmware, please ensure you update SIGMA Optimization Pro to the latest version.

For further information, please contact SIGMA Imaging Nordic by email: customerservice@sigma-imaging.se

We appreciate your continued support for our company and products.