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

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Understanding the gamma value

Understanding the gamma value - Photoshop Tutorial

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

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Understanding the gamma value

I've saved my progress as Composite B&W points.psd, so called because we've modified the black and white points for the composite image. It's found inside the 14_levels_curves folder. In this exercise, we're going to take a look at the Gamma Value, which allows us to adjust the Midtones in the image, while keeping the black and white points fixed. It's an essential option inside this dialog box and very useful as well. Now, I should tell you that I've reset a couple of preferences here. First of all, I went ahead and reestablished a Cache Levels value of 4, so that you and I are on the same page, assuming that you never changed your Cache Levels. And then I've also reset my workspace to One-On-One, in order to tidy up my screen a little bit. I actually did that, to be honest, a couple of exercises ago. Now, notice over here, as a result of the new Cache Level's value, over here on the left side of the Adjustments panel, you'll see this warning, which is telling you that your Histogram…

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