Auto Correction Of Brightness And Contrast (Auto Lighting Optimizer); Capturing Natural Colors (White Balance) - Canon PowerShot SX70 HS Advanced User's Manual

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Auto Correction of Brightness and Contrast
(Auto Lighting Optimizer)
This feature may increase image noise under some shooting
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conditions.
When the effect of Auto Lighting Optimizer is too strong and images
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become too bright, set it to [
Images may still be bright or the effect of exposure compensation may
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be weak under a setting other than [
exposure compensation or flash exposure compensation. For shots at
your specified brightness, set this feature to [
Fewer continuous shots may be available when this setting is set to [
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Capturing Natural Colors (White Balance)

Any correction level you set is retained even if you change the white
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balance option.
On the advanced settings screen for correction, B is for blue, A for
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amber, M for magenta, and G for green.
One level of blue/amber correction is equivalent to about 5 mireds on
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a color temperature conversion filter. (Mired: Color temperature unit
representing color temperature conversion filter density)
Custom White Balance
„
Capturing a white subject that is too bright or dark may prevent you
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from setting the white balance correctly.
Choose [Cancel] to choose a different image. Choose [OK] to use that
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image for loading white data, but note that it may not produce a suitable
white balance.
Instead of a white object, a gray chart or 18% gray reflector
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(commercially available) can produce a more accurate white balance.
The current white balance and related settings are disregarded when
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you capture a white subject.
] or [ ].
] if you use a darker setting for
].
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].