Thank you for purchasing and using our products.

We would like to announce the availability of a new firmware update for the SIGMA MOUNT CONVERTER MC-11 EF-E and SA-E.This firmware update is applicable to products for which we announced new firmware updates on May 17th, 2017.For customers who own the SIGMA MOUNT CONVERTER MC-11, please update the firmware using SIGMA Optimization Pro.

※ 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.

【SIGMA Optimization Pro Download page】 

【Applicable products】

【Benefits of this firmware update】
  • Compatible with the 24-105mm F4 DG OS HSM | Art (Firmware Version 1.02 for Canon) lens
  • Compatible with the 17-70mm F2.8-4 DC MACRO OS HSM | Contemporary (Firmware Version 1.02 for SIGMA, Version 1.03 for Canon) lens.
  • Compatible with the 18-200mm F3.5-6.3 DC MACRO OS HSM | Contemporary (Firmware Version 1.01 for SIGMA, Version 1.02 for Canon) lens.
  • Compatible with the18-300mm F3.5-6.4 DC MACRO OS HSM | Contemporary (Firmware Version 1.01 for SIGMA and Canon) lens.

For further information, please contact your nearest authorized SIGMA subsidiary / distributor.

We appreciate your continued support for our company and products.