Canon EOS 5D Mark III Camera Firmware Update 1.2.3

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Date Added: October 30, 2013 / Release Date: October 30, 2013 / Publisher:Canon / File Size: 18.85 MB
OS: Windows XP 32-bit, Windows Vista 32-bit, Windows Vista 64-bit, Windows 7 32-bit, Windows 7 64-bit, Windows 8 32-bit, Windows 8 64-bit, Windows 8.1 32-bit, Windows 8.1 64-bit; Mac OS X, Mac OS X v10.8, Mac OS X v10.7, Mac OS X v10.6, Mac OS X v10.5, Mac OS X v10.9

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Firmware Version 1.2.3 incorporates the following improvements and fixes:

  1. Fixes a phenomenon in which the flash may not fire depending on the timing of when the shutter button is pressed.
  2. Fixes a phenomenon in which the AF microadjustment value may change.*
    *The phenomenon listed in 2 was addressed with Firmware Version 1.2.1, and has been further improved with Firmware Version 1.2.3.
  3. Fixes a phenomenon in which the LCD monitor may show a line of false color 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 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 the firmware.

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