2013-04-30

EOS 5D Mark III Firmware Update


Canon has released a new firmware update for the EOS 5D Mark III – Version 1.2.1 – which includes features for enhanced shooting and improved video workflow.

The new firmware update adds two highly useful features: a clean HDMI output option and cross-type AF at f/8.


Clean HDMI Output
To benefit DSLR cinematographers, the EOS 5D Mark III will now be able to record clean, uncompressed digital video with embedded time code over HDMI output while simultaneously displaying the video on the rear LCD display and recording to internal CF or SD cards.

Combined with improved colour sampling of YCbCr 4:2:2 8-bit video, this firmware update adds efficiency to video editing, improves colour grading options, and enhances on-set monitoring.

The new “mirroring” feature via the HDMI output allows video to be displayed on the rear LCD screen with or without scene and camera information while also outputting a clean video signal to a monitor or external recorder.

An external recorder not only enables a video signal devoid of compression artifacts, but also allows a choice of preferred edit-ready codec, the ability to shoot in a variety of frame rates and bit rates, and longer record time.

Cross-type AF available for Maximum Apertures as Small as f/8
The new firmware allows cross-type autofocusing with the center AF point when the maximum aperture becomes as small as f/8, in the same way that the EOS-1D X does.

Current Canon EF lens / extender combinations that support cross-type AF with firmware update for EOS 5D Mark III

With Extender EF1.4x (I, II or III)
With Extender EF2x (I, II or III)
EF 100–400mm f/4.5–5.6L IS USM*
EF 70–200mm f/4L IS USM*
EF 400mm f/5.6L USM*
EF 300mm f/4L IS USM*
EF 800mm f/5.6L IS USM*
EF 400mm f/4 DO IS USM*
EF 70–200mm f/2.8L IS USM
EF 500mm f/4L IS USM*
EF 70–200mm f/2.8L IS II USM
EF 500mm f/4L IS II USM*
EF 70–200mm f/2.8L USM   
EF 600mm f/4L IS USM*
EF 70–200mm f/4L USM
EF 600mm f/4L IS II USM*
EF 70–200mm f/4L IS USM
EF 70–200mm f/2.8L IS USM
EF 135mm f/2L USM
EF 70–200mm f/2.8L IS II USM
EF 200mm f/2L IS USM
EF 70–200mm f/2.8L USM
EF 200mm f/2.8L II USM
EF 135mm f/2L USM
EF 300mm f/2.8L IS USM
EF 200mm f/2L IS USM
EF 300mm f/2.8L IS II USM
EF 200mm f/2.8L II USM
EF 300mm f/4L IS USM
EF 300mm f/2.8L IS USM
­EF 400mm f/2.8L IS USM
EF 300mm f/2.8L IS II USM
EF 400mm f/2.8L IS II USM
EF 400mm f/2.8L IS USM
EF 400mm f/4 DO IS USM
EF 400mm f/2.8L IS II USM
EF 500mm f/4L IS USM

EF 500mm f/4L IS II USM

EF 600mm f/4L IS USM

EF 600mm f/4L IS II USM


*Newly supported with current firmware update

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Details of the exact firmware fixes and improvements are shown below:
  1. Uncompressed HDMI output is now enabled.
  2. Enables the centre 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 WFT-E7 Wireless File Transmitter has been improved.
  8. 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.
  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 EF24-70mm f/4L 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. The lens compensation data for the EF24-70mm f/4L IS USM lens has been added.
  15. 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.


To download the firmware click here and select the Firmware option.

For further details on the firmware, visit the Canon Europe site or the Canon USA site


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