Canon has confirmed that when shooting still images with the EOS-1D X Mark II using some SanDisk CFast cards, the bottom part of still images recorded may be corrupted. This phenomenon happens in images recorded in both RAW and JPEG formats. In the RAW file, the image corruption may appear in the bottom right corner of the image. In the JPEG file, the image corruption may appear in the lower third area of the image. Movie recording is not affected. Still images or movies recorded to CF cards are not affected. This problem is caused by some SanDisk CFast cards, not the camera. Canon is working on a firmware update to overcome the problem and this should be available for download in early July 2016.
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