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Chapter 3. Changing and Adjusting Colors > Adjusting Levels Automatically

Adjusting Levels Automatically

Photoshop Elements gives you the option of applying a quick fix to image levels and contrast with the Auto Levels and Auto Contrast commands. Though I recommend working with the histogram in the Levels dialog box, the auto commands can be a good jumping-off point before launching into more controlled, manual image correction. The auto commands tend to be most successful when applied to photographs that contain an average tonal range; one where most of the image detail is concentrated in the midtones. Midtones are those tonal values that fall about halfway between the darkest and lightest values. Midtone areas tend to contain more image information—more visible detail, that is—than extremely dark or light areas. That’s why photographs with predominant midtones—whether in grayscale or in color—are usually the best candidates for auto correction. Severely over- or under-exposed images may be beyond help. If the camera or scanner didn’t capture the detail in the first place, it’s not there to be corrected.

To apply Auto Levels to an image:


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