Thank you for purchasing and using our products.

We are pleased to announce that a firmware update for the SIGMA Mount Converter MC-11 is now available.


Applicable product

• SIGMA Mount Converter MC11 SA-E

Benefits of the update

• It makes the converter compatible with the SIGMA 120-300mm F2.8 DG HSM | Sports in SIGMA SA mount, that has the latest firmware Ver.1.02.

• It has improved a rarely-occurring blinking phenomenon during movie shooting.

Applicable product

• SIGMA Mount Converter MC-11 EF-E

Benefits of the update

• It makes the converter compatible with the SIGMA 30mm F1.4 DC HSM | Art in Canon EF mount, that has the latest firmware Ver.2.01.

• It makes the converter compatible with the SIGMA 28mm F1.4 DG HSM | Art in Canon EF mount, that has the latest firmware Ver.1.02.

• It makes the converter compatible with the SIGMA 70mm F2.8 DG MACRO | Art in Canon EF mount, that has the latest firmware Ver.1.01.

• It makes the converter compatible with the SIGMA 85mm F1.4 DG HSM | Art  in Canon EF mount, that has the latest firmware Ver. 2.03.

• It makes the converter compatible with the SIGMA 135mm F1.8 DG HSM | Art  in Canon EF mount, that has the latest firmware Ver.2.03.

• It has improved a rarely-occurring blinking phenomenon during movie shooting.

How to update
Connect the SIGMA Mount Converter MC-11 to a computer with the included USB cable, then open SIGMA Optimization Pro*. If there is a newer firmware version available than the one currently installed on your converter, you will see the message ‘There is the latest firmware for the converter’. 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.

*Please be sure to update SIGMA Optimization Pro to the latest version when updating the MC-11 firmware.


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

We appreciate your continued support for our company and products.