Canon EOS-1D X Mark II CFast Sandisk corrupt problem



Canon has released an official statement to confirm some issues the corruption of the images using CFast Sandisk cards with the flagship full frame Canon EOS-1D X Mark II. The camera uses a dual-slot CompactFlash and CFast, the second is the one that provides the best performance in terms of burst: using the tabs of the new standard and the fastest machine is able to carry an unlimited burst of RAW images or 170 JPEG images high-speed continuous shooting mode (12 seconds at about 14fps). But it seems that for a while ‘the camera of Sandisk card owners can not operate to the best of his ability because if you insert a SanDisk CFast card in the camera or a card reader, the bottom of the recorded still images appears anomalous.

Canon EOS-1D X Mark II

Canon in the statement emphasizes that the problem is of the cards and not the camera, that should be enough to replace the card with that of another brand to solve the problem. This phenomenon was confirmed during recording both RAW and JPEG, but not interested in movies. In the RAW file, the image appears to be damaged in the lower right of the image, while in the JPEG file, the image appears to be damaged in the lower third of the image area. Canon also provides a list of the affected products. Damaged pictures may appear with tabs listed below:

The “xxx” at the end of the product number varies depending on the sales region.
SanDisk Extreme Pro 64GB CFast2.0 (SDCFSP-064G-xxx)
SanDisk Extreme PRO CFast2.0 128GB (SDCFSP-128G-xxx)
SanDisk Extreme Pro 64GB CFast2.0 (SDCFSP-064G-xxxA)
SanDisk Extreme PRO CFast2.0 128GB (SDCFSP-128G-xxxA)
SanDisk Extreme Pro 64GB CFast2.0 (SDCFSP-064G-xxxB)
SanDisk Extreme PRO CFast2.0 128GB (SDCFSP-128G-xxxB)

In addition to that the change card, Canon also indicates a procedure to minimize the possibility of finding with important pictures corrupted. Since the images with data capacity of at least 16MB recorded immediately after turning off the camera are abnormal, it is good to avoid the shutdown happens while recording images. The camera turns off when the camera switch is set to OFF, the card slot is opened or when the Auto Power Off option is enabled: so in addition to pay attention to not turn off power to the circuit breaker and do not open it magazine of the cards during writing, Canon recommends that you set the auto power off function to [Disable / Disable]. Moreover, as a preventive measure, after a long recovery, take some additional pictures in such a way that if the images are affected by the phenomenon, can be eliminated without causing problems.

Although it has been confirmed that this phenomenon is caused by SanDisk CFast, to prevent its occurrence, Canon is considering publishing a camera firmware on the Web, which will be available for download in early July.




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