Dci 4k video recording
designed for both professional stills shooting and video recording, the 5d mark iv supports dci 4k (4096 x 2160) resolution recording at up to 30 fps at 500 mbps, along with full hd 1080p shooting at 60 fps and hd 720p at 120 fps for slow motion playback. when recording in-camera, 4k video has 4:2:2 sampling and 8-bit color depth, while full hd 1080p footage has 4:2:0 sampling. uncompressed full hd 1080p video can also be saved via hdmi to an optional external recorder with 4:2:2 color sampling. 4k video is recorded using a central 4096 x 2160 area of the sensor at a 1.74x crop in order to record video with an ideal 1:1 pixel sampling ratio, while full hd recording makes use of the entire full frame.