Firmware: EOS 5D Mark III Version 1.3.3

Last updated: May 6, 2025 4:19 am

Craig

Published: January 29, 2015

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5D Mark III Front

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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

TAGGED:EOS 5D Mark III

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Craig is the founder and editorial director for Canon Rumors. He has been writing about all things Canon for more than 17 years. When he's not writing, you can find him shooting professional basketball and travelling the world looking for the next wildlife adventure. The Canon EOS R1 is his camera of choice.