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New 5D Mark IV Firmware – V1.03

New 5D Mark IV Firmware – V1.03

Canon have released firmware update V1.03 for the 5D Mark IV, you can download it HERE. Below is a list of improvements, and whilst most firmware updates typically contain seeming outlier cases, this one includes a fix for any usage with the 1.4x III and 2x III extenders. A high proportion of 5D users will probably use one of these at some point, so I’d rank this update a little higher in importance than most that I usually post about.

Firmware Version 1.0.3 incorporates the following fixes and improvements:

  • Corrects a phenomenon in which the color of images varies depending on the metering mode selected during flash shooting.
  • Improves the reliability of communication when using the EF1.4X III or EF2X III extender.
  • Corrects the level display when the camera is held in the vertical orientation with the hand grip pointing downward.
  • Improves the reliability of communication via USB cable when using the Lens Data Registration function with EOS Utility 3.

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