Install Canon EOS 5D Mark III Firmware 1.2.1 now

Install Canon EOS 5D Mark III Firmware 1.2.1 now

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Are you one of the Canon EOS 5D Mark III owners out there? If so, get ready to install the latest 5D3 firmware version 1.2.1. Yes, uncompressed HDMI output is now enabled. And center AF point is enabled to autofocus with Canon EF lens / extender combinations whose combined maximum aperture f/8. 3rd interesting point which improves the speed of the camera’s acquisition of focus when using a Canon Speedlite’s AF-assist beam. And the rest are bugs fixed…


Canon EOS 5D Mark III Firmware 1.2.1

Download Canon EOS 5D Mark III Firmware 1.2.1 here.

  • Roy

    Well, the bad thing in #15 where they removed 3rd party battery support…i tested it and yes, it just says can’t communicate with the battery now…this sucks..