Canon EOS-1D X, 1D Mark IV and 1Ds Mark III firmware update now available for download

Canon EOS 1D Xs

Canon USA just released the new firmware updates for Canon EOS-1D X, Canon EOS-1D Mark IV and Canon EOS-1Ds Mark III.

EOS-1D X Firmware Version 1.2.4
  • Improves the speed of the camera’s acquisition of focus when using a Canon Speedlite’s AF-assist beam.
  • Reduces the time it takes to display the metering result on the LCD or Viewfinder when the meter has been activated.
  • Fixes a phenomenon in which a “Caution 02” message is unnecessarily recorded in the camera status log.
  • Fixes a phenomenon in which continuous shooting pauses when using a Canon Speedlite.
  • Fixes a phenomenon, when the Canon GP-E1 is attached, in which the GPS device settings are reset to default settings when the camera has been powered off.
  • Download Firmware update V1.2.4
EOS-1D Mark IV Firmware Version 1.1.3
  • Enables the center AF point to autofocus when the camera is used with the EF 200-400mm F4L USM Extender 1.4X lens and an Extender, whose combined maximum aperture is f/8.
  • Fixes a phenomenon in which abnormal images may result when continuous shooting mode is enabled and the image size is set to “RAW” or “RAW+JPEG.
  • Download Firmware update V1.1.3
EOS-1Ds Mark III Firmware Version 1.2.2
  • Enables the center AF point to autofocus when the camera is used with the EF 200-400mm F4L USM Extender 1.4X lens and an Extender, whose combined maximum aperture is f/8.
  • Download Firmware update V1.2.2
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