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Adobe Photoshop CS4 Studio Techniques by Dan Ablan, Ben Willmore

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Adjusting Levels

Brightness/Contrast is especially useful if you’re new to performing tonal corrections; for many images, it’s all the control you’ll ever need. However, Photoshop’s Levels adjustment (Image > Adjustments > Levels) provides a more sophisticated tool that offers a much finer degree of control (Figure 7.5). Levels provides five different sliders that you can adjust, as well as a histogram (sort of like a bar graph) that indicates exactly what’s happening to the image.

Figure 7.5. The Levels sliders.

Tip

To reset sliders to their ...

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