Increasing and decreasing contrast

Located just below the Brightness control, the Contrast control increases the dark and light areas of your image when you move its slider to the right. Moving the slider to the left decreases contrast in the dark and light areas of the image.

I often use the Contrast and Brightness controls as tools to fine-tune the appearance of an image without affecting the overall exposure and shadows.

For the image shown in Figure 9-18, the Auto setting was set to 21, but I wanted to increase the contrast to darken the blue sky and lighten up the clouds a bit. A value of 31 gave me the effect I wanted without introducing clipping — and also without sacrificing detail in other areas of the image.

Figure 9-18: Adjusting contrast.
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