Image.

Ltv'sli

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Ltv'sli

Crol I

Crol I

Figure 3.28. Clustering the points on the right side produces a high-contrast, dark image.

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Figure 3.28. Clustering the points on the right side produces a high-contrast, dark image.

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You can see that experimenting with the Levels controls can produce a wide variety of high-contrast results. You can even apply the level adjustments to each of the individual red, green, and blue color channels to create spectacular color effects even as you adjust the contrast.

For maximum flexibility, create an Adjustment Layer using Levels as the control (select Layer > New Adjustment Layer > Levels) to let you play with the levels without making any permanent changes in your image. The Adjustment Layer appears in the Layer Palette with a special icon, shown in Figure 3.29. You can access the layer's Levels dialog box at any time by double-clicking the icon. When you're satisfied with the result, flatten the image before saving to make the changes permanent. Adjustment Layers can be used with the Curves and Brightness/ Contrast controls you've also used in this chapter.

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