Brightness and Contrast

Years ago, Photoshop’s Brightness/Contrast dialog used to adjust the entire tonal range of an image by equal amounts, which made it difficult to adjust one part of the image—say, the shadows—without destroying another part of the image, such as the highlights. However, Adobe has reengineered the Brightness/Contrast dialog with recent updates, and turned it into a very useful, very powerful tonal adjustment tool.

To find the Brightness/Contrast adjustment, choose Image > Adjustments > Brightness/Contrast. The dialog is very straightforward (Figure 7.1). By sliding the Brightness slider back and forth, you can make the overall image brighter or darker. In general, the Brightness slider protects shadow areas—it won’t usually ...

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