Shadows.

At top is the original image. In the middle, after shadow compensation has been applied, you can see that a color cast has been picked up that's most noticeable in the windows. At bottom, the Color Correction slider has been moved to the left to eliminate the color cast by reducing the amount of color saturation. The photo ends up with a neutral shadow area with no strong color cast of its own. If your image has strong color casts that are beyond the capabilities of this control, try using Image > Adjustments > Hue/Saturation to complete the job.

Brightness

This control is an additional slider (not shown in Figure 6.26) which appears only when you're editing grayscale images. Use it to provide slight adjustments to the brightness, if necessary.

Midtone Contrast

So far, we've been working exclusively with the darkest, shadow tones and brightest, highlight tones. The Midtone Contrast slider gives you a way of adjusting the contrast of the middle tones slightly to fine-tune your image.

Black-and-White Clipping

Some images may benefit from dropping the very lightest and darkest tones entirely, changing white areas with little detail to pure white, and dark areas with not much detail to complete black. This has the effect of increasing the contrast of the image. If you're trying to edit an image with extraneous detail in the light or dark areas, and you'd prefer those areas to appear as white or black, enter a value into the Black Clip and White Clip boxes.

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