Canon EOS 5D Mark IV L-series Zoom Lens Kit Owner's Manual

3

 Setting the Movie Recording Quality

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Movie Files Exceeding 4 GB
Even if you shoot a movie exceeding 4 GB, you can keep shooting 
without interruption.

 

Using CF cards up to 128 GB and SD/SDHC cards formatted 
with the camera
If you use the camera to format a CF card with 128 GB or less in 
capacity or an SD/SDHC card, the camera will format it in FAT32.
With a FAT32-formatted card, if you shoot a movie and the file size 
exceeds 4 GB, a new movie file will be created automatically.
When you play back the movie, you will have to play each movie file 
individually. Movie files cannot be played back automatically in 
consecutive order. After the movie playback ends, select the next 
movie and play it back.

 

Using CF cards exceeding 128 GB and SDXC cards formatted 
with the camera
If you use the camera to format a CF card with more than 128 GB in 
capacity or an SDXC card, the camera will format it in exFAT.
When using an exFAT-formatted card, even if the file size exceeds 4 
GB during movie shooting, the movie will be saved as a single file 
(rather than being split into multiple files).