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Real focus happens inside the camera's lens element. The sharpening features in Photoshop CS3 exaggerate the contrast along edges in a photograph to transform a well-focused image into an outstanding image. In Photoshop CS3 Sharpening Images, Deke McClelland teaches a host of sharpening and noise reduction techniques, including using filters such as Unsharp Mask, Smart Sharpen, High Pass, and Reduce Noise. The training teaches the essentials of sharpening, including what it does, why it's important, and how the filters function. Plus, the training covers Deke's recommended best practices, including the four distinct varieties of sharpening, which can be used independently or in combination with each other. Photoshop CS3 Sharpening Images is about how to transform images from looking good to looking their absolute best. Exercise files accompany the course.
I am still working on the Festive ornaments.dng file, all here inside of Camera RAW. Now you may recall in the previous exercise I took the Amount value up to a 150% and then I switched over to these Lens Correction sliders and I set Red/Cyan Fringe value to +25 and the Blue/Yellow Fringe value to -10. Now we still have a little bit of color fringing going on around the highlights inside of this gold ball and just so that you can see where I am inside of this ornament.
I am working on the right hand edge of this gold ornament that stand in a lower right corner of the image. So this guy is the most indicative, is basically what it comes down to. I am going to go ahead and zoom in as far as I can to a 400% and we have a little bit of purple going on here, a little bit of sort of a purplish-violet sort of weirdness. A little bit of leftover chromatic aberration and then we have some yellowness going over on the right-hand side. I am not able to compensate for that using the Chromatic Aberration sliders.
No matter what I do basically this problem remains intact. And if you run into something similar, then your friend in order to fix this problem is Defringe. Now the Defringe setting its very, very subtle. I am just warning you about this up front, you're not going to see a ton of change going on, which in a way is a good thing because we don't want to mess up the integrity of the file. The other bit of good news is that even though it doesn't appear to be doing much to the image, it is correcting the photograph. It is correcting the structure of the photograph, so that our future modifications to the photo inside of Photoshop will be that much more successful.
Alright. So I am going to go ahead. I want you to keep a very close eye on these edges here, because you are going to have to look at them very, very carefully in order to see the difference. I am going to switch from Off. So right now I am not applying any defringing at all. Your options are to fix just the Highlight Edges, so those edges that are around the brightest highlights inside the image. The highlights that are completely blown is basically what it comes down to and this highlight is a good example, it's ultra white or, and that's highlight edges there, or you can change the setting to All Edges, which is going to fix both the highlight and shadow edges inside the image.
So keep an eye on that edge right there both the purple and the sort of hyper-saturated edge. Watch what happens when I choose Highlighted Edges. Notice that the saturation drops out of that purple line right there and the saturation also drops out of the yellow edge over here in the right-hand side. So not a terribly big difference, but there is a difference going on. If that's not enough, basically what I am going to tell you, so if that doesn't go far enough for you, then switch over to All Edges, which in the case of our photograph is going to apply a little bit more correction and even subtle correction really, but what I'd say is for this image what we want is Highlight Edges.
You want to apply as little defringing as you can because it does soften the image a little as it turns out. Alright that's it. Lets go ahead and zoom out a little bit here. Maybe a couple of clicks and I am looking at the image at the 200% zoom level. This is what the image would like before I have started to apply the Lens Corrections functions here. So you can see there is some obvious Chromatic Aberration going on. This is what it looks like after. In the next exercise we are going to switch back over to a Detail options might. We will do that right now in fact and then we are going to set about adjusting the other sharpening values.
Stick with me.
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