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Learning how to use Adobe Photoshop efficiently and effectively is the best way to get the most out of your pixels and create stunning imagery. Master the fundamentals of this program with Julieanne Kost, and discover how to achieve the results you want with Photoshop and its companion programs, Bridge and Camera Raw. This comprehensive course covers nondestructive editing techniques using layers, masking, adjustment layers, blend modes, and Smart Objects. Find out how to perform common editing tasks, including lens correction, cropping and straightening, color and tonal adjustments, noise reduction, shadow and highlight detail recovery, sharpening, and retouching. Julieanne also shows how to achieve more creative effects with filters, layer effects, illustrative type, and the Photomerge command for creating panoramas and composites.
You might have noticed some red-green or blue-yellow color fringes, especially towards the outer edges of your images and in areas of higher contrast. Now this is typically a result from what's known as lateral chromatic aberration, and it's a relatively easy type of problem for Camera Raw to fix. So let's select the window image and then use command R or control R in order to view it in Camera Raw. You might see some little red highlight here, over the specular highlights, that's because you have your clipping warnings on, so if they are on and you see that you can just click on the icon in the upper right in the upper right of the histogram panel in order to toggle that on and off. Now, to make sure we're really able to see the chromatic aberration in this image and to see it being removed, I'm going to, kind of artificially add a bunch of saturation here.
I just wanted to make sure as we remove it, you're able to see it be removed. Now let's zoom in to a 100% and then were going to hold down the space bar and just move over to the side of our image. And in fact I'm going to move all the way to the left side and all the way to the top of the image. This is the color fringing that I'm referring to You can see that it's green on one side of this high contrast area and then over here we can see the fringing of the magenta color. Likewise, down a little further we see the magenta here and the green here. And again, those pixels are just not quite in alignment and we can see obviously that they're more out of alignment the closer to the edge of the image we get.
So in order to correct this, we just need to scoot over to the lens correction panel. We'll make sure that we've enabled the lens profile correction to get rid of any distortion in the image, and then click the color tab and choose to remove the chromatic aberration. We can see now that those misaligned pixels have now been corrected and we don't see that color fringing anymore. Now if it doesn't completely remove the color fringing, you can come down to the defringe area. Although I will say the primary reason for this defringe area is to fix a different kind of chromatic aberration and you'll know if you see this other kind of chromatic aberration because it will show itself as a purple green fringe.
And these fringes result from something totally different that's an axial chromatic aberration, and they're kind of beyond the scope of the fundamentals. Just know that if you see this purple and green shift in your images, especially around areas of high contrast, and not necessarily just on the edge of your images. This other kind of chromatic aberration can also occur in the centre of your images. But you would use these sliders here in order to remove it. So for example as you increase the purple amount, that's how much defringing you're removing.
And you can kind of redefine what purple is. Because it will vary a little bit from image to image. And you would redefine that by just sliding over the purple hue. And it would become very obvious as you move this purple hue over, in your image, it would be correcting that purple to green fringe. Alright, for now we'll just turn that off because simply clicking on the checkmark here, remove the Chromatic Aberration in this image, in fact we can tap the P key to turn on and off the preview. So that's before, and that's after.
Go ahead and click Done. We can see that it's been updated here in Bridge. And here you have it, a fast and easy method to remove color artifacts along the edges of your images with manual over rides for those who need more control.
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