From the course: Photoshop CS5 One-on-One: Advanced

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Previewing clipped pixels

Previewing clipped pixels - Photoshop Tutorial

From the course: Photoshop CS5 One-on-One: Advanced

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Previewing clipped pixels

In this exercise I am going to show you a little-known trick for previewing exactly which pixels inside of an image are clipping to either black or white on a channel by channel basis when you adjust the black-and-white points here inside the Levels panel. I saved my changes from the previous exercise as Open shadows.psd just in case you want to compare my file to yours. Now I am going to switch over to this one. It is called Levels set to Auto.psd. It is the result of our noodling around with the Auto button a few exercises back now. Let's say that I want to go ahead and wipe out the changes that I've made here inside the Levels panel so that I can start afresh. I don't want to get rid of the Adjustment layer; I want to keep it because I need it. I just want to start over again. All right, then notice I have this icon down here in the bottom-right corner of the panel. You can see that the arrow goes all the way around the circle. This icon actually has two states and let me show them…

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