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. 

Applicable product
SIGMA Mount Converter MC-11 EF-E

Benefits of the update

• It makes the converter compatible with the SIGMA 12-24mm F4 DG HSM | Art in Canon EF-Mount, that has the latest firmware Ver.2.01
  
  
• It makes tha converter compatible with the SIGMA 24-35mm F2 DG HSM | Art in Canon EF-Mount, that has the latest firmware Ver.2.01
  
  
• It makes the converter compatible with the SIGMA 50-100mm F1.8 DC HSM | Art in Canon EF-Mount, that has the latest firmware Ver.2.03
  
  
• It makes the converter compatible with the SIGMA 60-600mm F4.5-6.3 DG OS HSM | Sports in Canon EF-Mount, that has the latest firmware Ver.1.03
  
  
• It makes the converter compatible with the SIGMA 24mm F1.4 DG HSM | Art in Canon EF-Mount, that has the latest firmware Ver.2.02
  
  
• It makes the converter compatible with the SIGMA 35mm F1.4 DG HSM | Art in Canon EF-Mount, that has the latest firmware Ver.2.02

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 available than the one currently installed on you 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. 

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

We appreciate your continued support for our company and products.