Firmware Version 1.0.4 for Canon 5D Mark IV Released

Canon EOS 5D mark IV w 24-105mm F4L lens II

Canon has just released a new firmware update version 1.0.4 for the new flagship DSLR EOS 5D Mark IV (Amazon/ B&H/ Adorama).

Firmware Version 1.0.4 incorporates the following fixes and improvements:

  • Fixes a phenomenon in which a red-colored area may appear at the bottom-center of a captured image when shooting in bulb mode or during a long exposure.
  • Fixes a phenomenon in which the autofocus may not respond when the autofocus is initiated via pressing the shutter button, the AF-ON button or the AE lock button when configured in the custom control menu.
  • Enhances the reliability of communications between the camera and SD card.
  • Fixes incorrect wording on the Finnish language menu screen.

Click Here to download the firmware v1.0.4 at Canon USA.

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Canon EOS 5D Mark IV
  check price AmazonB&HAdorama/eBay
5D Mark IV w/24-70mm F4L kit
check price AmazonB&HAdorama/eBay
  5D Mark IV w/24-105mm F4L II kit
check price AmazonB&HAdorama/eBay


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