The Canon EOS-1D X Mark II has a maximum video recording time of 30 minutes, but only for some formats. That limit is also dependent upon multiple factors like camera settings, media storage size, camera power, and internal camera temperature. See details and notes below for more information.
Maximum continuous video recording times for the Canon EOS-1D X Mark II
1If the recording time reaches 29 minutes, 59 seconds, recording will stop automatically.
2If the recording time reaches 7 minutes, 29 seconds, recording will stop automatically.
Normal Frame Rates (59.94 fps or less)
High Frame Rates (119.9 or 100 fps)
7 minutes, 30 seconds2
Even if you record a movie exceeding 4GB, you can keep recording without interruption.
Using CF cards up to 128GB: The card will be formatted in FAT32. If the file size exceeds 4GB, recording will continue and a new file will be created automatically.
Using CF cards exceeding 128GB: The card will be formatted in exFAT. Even if the file size exceeds 4GB during recording, the movie will be saved as a single file.
An increase of the camera’s internal temperature may cause recording to stop before the maximum recording time is reached.