Firmware Version 1.2.1 incorporates the following functional improvements and fixes:
Uncompressed HDMI output is now enabled.
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.
Improves the speed of the camera’s acquisition of focus when using a Canon Speedlite’s AF-assist beam.
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.
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.
Fixes a phenomenon in which the viewfinder display shows incorrect information during AEB shooting.
Communication with the WFT-E7 Wireless File Transmitter has been improved.
When images have been successfully transferred with the WFT-E7 Wireless File Transmitter through the FTP protocol, an “O” will be displayed. When images have not been successfully transferred with the WFT-E7 Wireless File Transmitter through the FTP protocol, an “X” will be displayed.
Fixes a phenomenon in which the camera may not function properly when an Eye-Fi card is used.
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.
Fixes a phenomenon in which the lens firmware cannot be updated properly.
Corrects errors in the Arabic language menu.
Fixes a phenomenon in which the camera changes the AF microadjustment value to -8.
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.
* Items No.1 through 12 have been incorporated into firmware version 1.2.0.
* Items No.1 through 14 have been incorporated into firmware version 1.2.1.
Firmware Version 1.2.1 is for cameras with firmware version 1.2.0 or earlier. If the camera’s firmware is already version 1.2.1, it is not necessary to update the firmware.
When updating the firmware of your camera, please first review the instructions thoroughly before you download the firmware.
The new Firmware Version 1.2.1 can be downloaded by clicking here.
For more information on this improvement, please visit the Canon website to download the latest version of the EOS 5D Mark III instruction manual.
This information is for residents of the United States and Puerto Rico only. If you do not reside in the USA or Puerto Rico, please contact the Canon Customer Support Center in your region. Please register the EOS 5D Mark III. By registering, we will be able to notify you via email when service updates are available.
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