Firmware Version 1.3.3 incorporates the following improvement and fix.
1. Improves the AF controllability when shooting in Live View mode with a wide-angle lens (fixed focal length or zoom).
2. Corrects some incorrect indications on the “English” and “Russian” menu screens.
Firmware Version 1.3.3 is for cameras with Firmware Version 1.2.3 or earlier. If your camera's firmware is already Version 1.3.3, it is not necessary to update the firmware.
When updating the firmware of your camera, please first review the instructions thoroughly before downloading.
Download firmware 1.3.3. at Canon USA
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