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EOS 5D Mark III firmware update 1.2.1

Firmware Version 1.2.1 for the EOS 5D Mark III incorporates the following functional improvements and fixes.
  1. • Uncompressed HDMI output is now enabled.
  2. • Enables the center AF point to autofocus when the camera is used with Canon EF lens/extender combinations, whose combined maximum aperture is f/8.
  3. • Improves the speed of the camera’s acquisition of focus, when using a Canon Speedlite’s AF-assist beam.
  4. • Fixes a phenomenon in which the LCD monitor may freeze and display Err 70 or Err 80 when a still photo is taken during Live View or in movie shooting mode.
  5. • Fixes a phenomenon that may occur when the continuous shooting priority setting is enabled for multiple exposures, such that, after the sixth image is taken, there is a slight pause before the remainder of the sequence is completed.
  6. • Fixes a phenomenon in which the viewfinder display shows incorrect information during AEB shooting.
  7. • Communication with the Wireless File Transmitter WFT-E7 has been improved.
  8. • When images have been successfully transferred with the Wireless File Transmitter WFT-E7 through the FTP protocol, an “O” will be displayed. When images have not been successfully transferred with the Wireless File Transmitter WFT-E7 through the FTP protocol, an “X” will be displayed.
  9. • Fixes a phenomenon in which the camera may not function properly when an Eye-Fi card is used.
  10. • Fixes a phenomenon in which the focal length value listed in the Exif information is not displayed correctly for images shot with the EF 24-70mm F4L IS USM lens.
  11. • Fixes a phenomenon in which the lens firmware cannot be updated properly.
  12. • Corrects errors in the Arabic language menu.
  13. • Fixes a phenomenon in which the camera changes the AF microadjustment value to -8.
  14. • Fixes a phenomenon in which the on-screen guidance cannot be fully displayed when setting
    the maximum limit value for the "Setting the ISO Speed Range for Auto ISO" option
The firmware can be downloaded from:
www.canon.co.uk/Support/