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Chapter 6. Optimizing Grayscale Images > Post-adjustment Analysis

Post-adjustment Analysis

Any time you adjust an image, you run the risk of introducing some artifacts that might not be all that pleasant. So let's take a look at what can happen to your image after applying Levels. But don't worry—remember, in Photoshop there is usually at least one “fix” for just about every artifact.

Notes

To see an updated histogram after adjusting the image, you must first apply the adjustment, and then reopen the Levels dialog box.

I don't use this technique on every image, just on those that have extremely noticeable posterization.



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