August 2005
Beginner
592 pages
24h 40m
English
The Levels dialog box (choose Image > Adjustments > Levels) is the cure for most common complaints about grayscale image quality (Figure 5.4). It offers you far more control and feedback than Brightness/Contrast. Instead of having only two sliders to adjust, Levels offers you five, as well as a bar chart that indicates exactly what is happening to the image. And unlike the sliders in Brightness/Contrast, the Levels sliders don't change the entire image in equal amounts.
It might take several pages to describe all the controls in the Levels dialog box, but ...
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