Thank you for purchasing and using our products.
We would like to announce the update in the lens firmware of the SIGMA 20mm F1.4 DG HSM | Art Canon and
SIGMA 24-35mm F2 DG HSM | Art Canon on the SIGMA Optimization Pro.
The latest firmware update makes it fully functional with the Canon Digital Cinema Camera EOS C300 Mark II.
For those customers who own the following products, please update the firmware of the lens via
the SIGMA Optimization Pro.
・SIGMA 20mm F1.4 DG HSM | Art– Canon mount
・SIGMA 24-35mm F2 DG HSM | Art– Canon mount
Benefit of this firmware update
It becomes fully functional with the Canon Digital Cinema Camera EOS C300 Mark II.
* For SIGMA 20mm F1.4 DG HSM | Art Canon, this lens firmware update also corrects the phenomenon
that the images show some underexposure when “Evaluative Metering” or “Center-weighted Average Metering” is
selected on Canon EOS-1D X Mark II.
* Should the version of SIGMA Optimization Pro is not updated to Ver. 1.3 yet, please be sure to do it before
operating any lens firmware update.
You can download the latest version of the software from the following page;
SIGMA Optimization Pro Download page
We appreciate your consistent support for our company and products.