Auto Adjust White Clip

Has anyone ever gotten this thing to work: Prefs: > Auto Adjust White Clip or Black Clip
I Need my highlights to be processed as 253 instead of 255 - is there something I'm missing?
Using Canon 1ds MKlll RAW files.

"Auto Levels" analyses your Image and applies a Levels adjustment based on a preset algorithm (similar to "Auto-enhance" in iPhoto, for example).  The Auto adjust White Clip slider allows you to set what percentage of pixels will be set to full-luminance.  (Hover your cursor over the slider for a ToolTip.)
This is very easy to see in practice.  Select an Image with no adjustments applied, and duplicate it.  Then with the Auto adjust White Clip slider set to the left, click "Auto" in the Levels Brick.  Select the other Image, change the slider all the way to the right, and "Auto-Levels" that Image.  Compare the two.  Be sure to compare the histograms in the Levels Bricks: this shows you mathematically what the difference is.
Message was edited by: Kirby Krieger -- clarifications.

Similar Messages

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    Message was edited by: Kirby Krieger -- clarifications.

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    FrankMazz wrote:
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    Please click the white KUDOS star to show your appreciation
    Frank
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    Please click the "Accept As Solution" on my post, if my assistance has solved your issue. ------------V
    This is a user supported forum. I am a volunteer and I don't work for HP.
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