EOS 5D Mark III firmware Version 1.2.3

Canon has announced a new firmware update – Version 1.2.3 – for the EOS 5D Mark III DSLR, which includes the following improvements and fixes, the details of which are listed below…

Firmware Version 1.2.3 for the EOS 5D Mark III incorporates the following:

1. Fixes a phenomenon in which the connected Speedlite may not occasionally fire depending on the timing of when the shutter button is pressed.
2. Fixes a phenomenon in which the AF microadjustment value may accidentally change.
3. Fixes a phenomenon in which the LCD monitor may show a line of false colour along boundaries of high contrast.
4. Fixes a phenomenon in which the histogram of a LiveView image is incorrectly displayed when an HDMI cable is connected.
5. Enables the brightness of the camera’s LCD monitor to be adjusted even when an HDMI cable is connected.

Firmware Version 1.2.3 is for EOS 5D Mark III cameras with firmware up to Version 1.2.1. If the camera’s firmware is already Version 1.2.3, it is not necessary to update. To find out more and download the firmware please click here and enter your country and product details. Please read all of the instructions before downloading.