I set [,ff,c.fn ii-4: auto lighting, I optimizer, Auto lighting optimizer – Canon EOS-1D Mark IV User Manual
Page 81: Iset [,ff,c.fn ii-4: auto lighting i optimizer, Take the picture
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If the image comes out dark or the contrast is low, the brightness and
contrast can be corrected automatically. With JPEG images, the
correction is done when the image is captured. Setting information is
appended to RAW images and automatic correction is possible with
Digital Photo Professional (provided software).
By default, [Standard] is set. However, with [.ffl.C.Fn II -4: Auto
Lighting Optimizer], you can adjust the correction amount (p.215).
Auto Lighting Optimizer
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Set [,ff,C.Fn II-4: Auto Lighting
I
Optimizer],
• Set the correction amount.
• For details on setting a Custom
Function, see page 204.
^ Take the picture.
The image will be recorded with the
brightness and contrast corrected if
necessary.
Sample of corrected brightness
^ • If [.fflC.Fn II-4: Auto Lighting Optimizer]
is set to a setting other than
[3;
Disable],
the image might still look bright even if manual exposure,
exposure compensation, or flash exposure compensation has been set
to make the exposure darker. If you want the darker exposure, set the
Auto Lighting Optimizer to [3:
Disable]
first (p.215).
e
Depending on the shooting conditions, noise might increase.
81