Canon EOS 5D Mark III Instruction Manual page 253

Sample Information for Movies
Playback
Shooting mode
Movie recording
size
Frame rate
About the Highlight Alert
When [33: Highlight alert] is set to [Enable], overexposed
highlight areas will blink. To obtain more image detail in the
overexposed areas, set the exposure compensation to a negative
amount and shoot again.
About the AF Point Display
When [33: AF point disp.] is set to [Enable], the AF point that
achieved focus will be displayed in red. If automatic AF point
selection was used, multiple AF points may be displayed in red.
Shooting time, Playback time/
Time code
Compression method
B: Shooting Information Display
Shutter speed
Aperture
Movie file size
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