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This course provides in-depth training on Camera Raw 7, the Photoshop CS6 component that enables photographers to open and manipulate raw format images. Raw images are minimally processed in the camera; they're effectively the exact data recorded by the camera's sensor. Author Chris Orwig shows you how to control a raw image's appearance—exposure, shadow and highlight detail, color balance, and sharpness—with far more precision than is possible with JPEG images. The course also introduces the new workflow procedures and technical concepts and issues associated with raw content, so that photographers can best leverage this powerful format.
Continuing with where we left off with this photograph, here we're going to look at how we can now sharpen this image since we've already applied some noise reduction to it. In the Sharpening controls that you'll find at the top, we have four different sliders and I want you to really get to know these sliders, so that you can figure out how to best sharpen your images. The Amount slider is pretty straightforward. This increases the overall intensity of the sharpening that's going to be applied to your image. Let's click and drag this to the right to an exaggerated level so that we can really understand the other three sliders.
Well, what's Radius about? If you click and drag Radius to the right, again, exaggerating that, you can see that you'll have these haloed edges. Click and drag to the left and you're going to see that the sharpening is much more focused on smaller details. If you hold down a modifier key with any of these four sliders, you get a really interesting perspective which can help you understand them. Press Option on a Mac or Alt on Windows, then click on Radius. Watch how the halo glows as we drag to the right and then watch how it decreases as we drag to the left.
In Sharpening, what's happening is it's trying to build up some sort of contrast. And when you look at that Radius view, you can really see how those edges or how that Radius is glowing. So typically, your Radius is going to be pretty low. That's why, if you look at this slider, it only goes up to a value of 3. They could have made this up to a value of 30 or 50 or whatever, but that wouldn't really make sense because Radius, you want to have a low amount; the lower the resolution of the file, also, typically, the lower the radius.
Well, what about detail? Hold down Option on a Mac, Alt on Windows and click and drag your Detail slider. If you drag to the left, you'll see that there's very little texture which is sharpened. The small details, they're ignored. Click and drag to the right, and you see it brings out all of those teeny little details. Well, what about masking? Once again, pressing Option or Alt and clicking and dragging, you can see it creates this mask where black conceals and white reveals. In other words, with a Masking level of 85, only the edges and everything that you see covered in white will be sharpened.
Here if we click on the Preview button, you can kind of see how that's being applied here. The sharpening effect is limited to these areas. Now these amounts are obviously way over exaggerated, but I'm hoping that they helped you to kind of understand how these work. Next, let's double-click these sliders to take them back to their default settings where they previously were when we started. You'll notice that our Radius and Detail sliders are up just a bit. They're up there to give you kind of a starting point, because if you have no Radius, when you increase your Amount, you won't see anything at all.
With this image, I'm going to bring my Sharpening Amount up to about 80 and then I'm going to drop my Radius down and remove the Detail altogether. Typically, with people photographs, you want a very low Detail amount. Next, I'll go ahead and click and drag the Masking slider up, and as I'm doing that, I could press Option or Alt to kind of see how I can mask off the background. There's no need to sharpen all of these other details here in the background. Once I've done that, I can then change my Sharpening amounts as well as my overall Radius.
Then I might sharpen this image in the detail area of the photograph. Now that we've done all of that, let's press our P key and you can see there's our before, without noise reduction or sharpening. Press the P key again and you can see the after, and you can see how the image still has a lot of its original characteristics. It's just that we've removed a lot of that noise and we've created what's called input sharpening. In this image, well, it had a few problems to start off with. There was with all of this noise due to shooting this in a way where it was underexposed.
By increasing the exposure, I brought out some of these issues so we then looked at how we could use these controls in order to correct that. Well, let's go ahead and continue to take a look at how we can work with these controls, and let's do that in the next few movies.
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