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As you are studying to discover Smart Sharpen is actually pretty strong filter and because it is a pretty strong filter, because it's something we will using quite often, what we I want to do in this movie is deconstruct how this filter works even further, and I want to do that so that you really understand and know what's happening here so that you can then apply good sharpening into your images. Let's work on the file smart. psd. Go and double-click that to open it up in Photoshop. I have to go to Full Screen View mode, double-click the Zoom tool. Take is to 100%. Now that I have this image what I want to do is turn on this layer or this layer group here, grey. You will also notice that I have a couple of different patches of grey, and you remember that trick. If you want to teach yourself anything in Photoshop, you create a grey scale of something like it and then you modify it. In this case we are going to go ahead and click in that grey layer and modify that.
Well, let's navigate to our Filter pulldown menu and then choose Sharpen and then Smart Sharpen. Just as a side note, could I do this as a Smart Filer? Well, yeah definitely. What I would need to then is go Covert for Smart Filters or on a Layer right-click or Ctrl-click, choose Convert to Smart Object, then go to Filter > Sharpen and Smart Sharpen. Now that I'm in the Smart Sharpen dialog, I can see that I have two previews. I have the preview in the background and also the preview here in my window. So I'm going to go ahead and move this over a bit so that we can get the best of both worlds to a little bit of that other preview and this one. I'm going to the Basic sliders for a moment so we can deconstruct what's happening.
I'm going to crank up the Amount, that's the overall intensity. We don't see too big of an effect until we really dial in that Radius. Now when I increase the Radius, one of the things we are seeing is we are starting to get this halo around these different shapes. Now what's the deal with this halo and what's actually happening? We move this off to this side for a moment. This is interesting. Well, here we have this grey, which is pretty close to that background color, not a lot of halo. But then as I move to the darker tones, the halo becomes white and it become more prominent and it continues and extends the edge and the same thing is true over to this other edge.
So one of things we are discovering here is what's happening with Smart Sharpen is it's trying to find areas of contrast. The greater the contrast, the greater the amount of Sharpening. So here we can see how it's beginning to apply that. Now the Radius, we can also think of that like a reach. If I extend this even further, we can see that Sharpening effect is reaching further. It's reaching further on the outside also on the inside. Again, here is my before and then we can slowly see that build up. Well that's interesting. So far we have see our amount and radius. What about the different types of sharpening? Well currently I have Lens Blur selected.
Let's go to Gaussian Blur. Now when I do that one of the things we are going to notice, we will move over here so we can focus on this edge. One of things we are going to notice is it's pretty diffused. When I take that to Lens Blur all of the sudden that Sharpening is that much more tight. So as much more intelligent built here. It says, hey, bring in those edges. Let's refine this a bit. So again that's going to be our best option typically. Now we are going to into Motion Blur. Now when I go to Motion Blur, it's kind of interesting. You can see the angle in this case is this left to right angle. Now I'm going to go ahead and decrease that or change that. When I do, we'll notice the angle in regards to where this Sharpening is taking place, again, make this a little bit more exaggerated so you can really see it and I'll zoom in even further, is now top to bottom and then I'm going to move it over here to left to right and you can see how I'm modifying that.
So again the trick with Motion Blur Sharpening is you really have to know the Angle. How the image was created when it was panned or if you are creating some Blur in postproduction? What that Angle was? So it's not bad sharpening, it's just kind of tricky sharpening. Well, the last thing I want to point out is you can choose different settings. Currently, we have Default. I could say I have a bunch of images that were shot with this type of Motion Blur. I'll go head and save that out and I'll call this motion1 and then I can go and modify this, and from my pulldown menu choose motion1. It will take it back to those settings.
All right, we just about to wrap up our conversation. Here the last thing I want to talk about is More Accurate. Now in order to see how More Accurate works, it's better to see this option on an image. So I'll do that on one of our next few movies.
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