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Let's take a look at the Definition slider, which is over here in our Adjust panel, and go to Full Screen mode. Now, what Definition does is that it increases contrast in the mid-tones, and it does a little sharpening. Now, what Apple says in their sort of the Help menu is that it improves clarity and reduces haze. What it actually does specifically is that it does that by working with the contrast and areas that are hard to get to and sharpening.
Let me show you. I mean that's the best way, right? So we're going to go to Definition slider. Keep an eye on this area right here, and I am just going to move it all the way over so you get a dramatic. See how that just sort of came to life? Now, let's do before and after. Here is before, here is after. Now, that is more subtle than regular sharpening and also regular sharpening would increase the contrast.
The contrast is part of the illusion of making this thing look clearer. So it's not just a sharpening thing. It's a contrast and a sharpening thing, and if you just did contrast alone, let's go up here to our Contrast slider, you see it has a more heavy-handed effect, whereas Definition is really a terrific slider because it doesn't mess with the color, but yet it has a way of just making things look clearer. I am going all the way to 100 on this to make sure you see what I am talking about.
But a lot of times you wouldn't do that. You would actually be working more in this area here, generally speaking, more in the middle on Definition. Watch out! Don't be too heavy- handed because on some images, it will actually introduce some artifacts. Pixels that aren't really supposed to be there. But generally speaking, if you don't get too crazy with it, it's something that on shots like this, especially interiors and landscapes and stuff like that, it truly can be the magic slider.
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