EOS-1D Mark IV Firmware Update Version 1.1.1

Firmware Version 1.1.1 incorporates the following change.1. Optimizes the camera’s exposure accuracy when using EF 24mm f/2.8 IS USM and EF 28mm f/2.8 IS USM lenses, which are scheduled for release in June 2012. If these lenses are used with an EOS-1D Mark IV camera that has not been updated with the new firmware, the image may be overexposed depending on the subject and shooting scene.

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Changes:

Firmware Version 1.1.1 incorporates the following change.

1. Optimizes the camera’s exposure accuracy when using EF 24mm f/2.8 IS USM and EF 28mm f/2.8 IS USM lenses, which are scheduled for release in June 2012.

If these lenses are used with an EOS-1D Mark IV camera that has not been updated with the new firmware, the image may be overexposed depending on the subject and shooting scene.

Further Information:

Download EOS-1D Mark IV Firmware Update Version 1.1.1