New Firmware For Canon EOS-1Ds III And Canon EOS-1D IV

New firmware updates for the Canon EOS-1Ds III and the Canon EOS-1D IV .

• For the Canon EOS-1Ds III firmware update (1.2.2) click here.
• For the Canon EOS-1D IV firmware update (1.1.3) click here.

Changes:

• Canon EOS-1Ds III:
  • Firmware Version 1.2.2 incorporates the following functional improvement:
    1. 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.

• Canon EOS-1D IV:
  • 1. 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.
    2. 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.