Adjustment Methods and Principles
Over the decades since Photoshop’s first release, there have been many approaches to adjusting images with the tools it offers. In the early days, we had only destructive methods, those that truly alter the color numbers of the pixels. We ended up with many copies of images if we were cautious and feared we may need to go back to an earlier version. Currently, Photoshop offers many nondestructive methods for adjusting images or parts of them. We can readjust or unadjust at will. Sadly, many tips and tutorials you might find online continue to suggest techniques that are tedious and unnecessary. Only a very few Photoshop adjustments and functions still require these methods.
Almost all adjustments allow you to ...
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