Canon REBEL T3I EOS 600D User Manual page 162

3 Menu Function Settings
[Z] tab
Exposure compensation
Although exposure compensation can be set up to ±5 stops,
exposure compensation for movies is restricted only up to ±3 stops.
For still photos, exposure compensation may extend up to ±5 stops.
Auto Lighting Optimizer
The Auto Lighting Optimizer can be set as explained on page 109. It
will be applied to both movie shooting and still photos taken during
movie shooting.
Under the [n] tab, if [kHighlight tone priority] is set to
[Enable], the Auto Lighting Optimizer will be set automatically to
[Disable] and cannot be changed.
Custom White Balance
As explained on page 117, the image for custom white balance can
be selected.
Picture Style
The Picture Style can be set as explained on page 81. It will be
applied to both movie shooting and still photos taken during movie
shooting.
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