Correcting The Brightness And Contrast Automatically (Auto Lighting Optimizer); Take The Picture - Canon EOS-1D X Instruction Manual

Correcting the Brightness and Contrast Automatically
3
If the image comes out dark or the contrast is low, the brightness and
contrast can be corrected automatically. This function is called Auto
Lighting Optimizer. The default setting is [Standard]. With JPEG
images, the correction is applied when the image is captured.
If [z2: Highlight tone priority] is set to [Enable], the Auto Lighting
Optimizer will be set automatically to [Disable] and the setting cannot be
changed.
Depending on the shooting conditions, noise may increase.
If a setting other than [Disable] is set and you use exposure
compensation or flash exposure compensation to darken the exposure,
the image may still come out bright. If you want a darker exposure, set
this function to [Disable].
If multiple exposure shooting (p.186) is set, the Auto Lighting Optimizer
will be set automatically to [Disable]. When the multiple exposure
shooting is canceled, the Auto Lighting Optimizer will revert to the
original setting.
In step 2, if you press the <B> button and uncheck <X> the [Disable
during man expo] setting, the Auto Lighting Optimizer can be set in the
<a> mode.
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Select [Auto Lighting Optimizer].
1
Under the [z2] tab, select [Auto
Lighting Optimizer], then press
<0>.
Select the setting.
2
Turn the <5> dial to select the
desired setting, then press <0>.

Take the picture.

3
The image will be recorded with the
brightness and contrast corrected if
necessary.