EOS -1D Mark IV Firmware Update Version 1.1.3

Firmware Version 1.1.3 for the Canon EOS-1D Mark IV camera incorporates a range of functional improvements and fix

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Details

Firmware Version 1.1.3 for the Canon EOS-1D Mark IV camera incorporates the following functional improvements and fix:

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.
Firmware Version 1.1.3 is for cameras with firmware version 1.1.1 or earlier. If your camera’s firmware is already Version 1.1.3, it is not necessary to update the firmware. When updating your camera’s firmware, please review the instructions thoroughly before you update the firmware.

Further Information

Download EOS-1D Mark IV Firmware Update Version 1.1.3