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If you see areas of bright-colored fringe appearing around objects in your RAW photos, you’re suffering from Chromatic Aberrations (well, you’re not, but your camera’s lens is). Under the Lens tab in Camera Raw, there are two sliders (Fix Red/Cyan Fringe and Fix Blue/Yellow Fringe) that you let you slide those problems away, but seeing the problem clearly enough to eliminate the fringe is your first challenge. That’s why you’ll want to know this tip: If you hold the Option key (PC: Alt key) while you’re dragging either Chromatic Aberration slider, it will only show the two channels you’re adjusting in the preview area, making it easier to see—and repair—the problem.
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Corey shares another way to get a cool 3D light beam effect.
Corey finishes up the Olympic-inspired design that he began last week in Part 1.
The Olympic-inspired tutorial will be coming in two parts. Stop by next week for the conclusion to this video.
This week’s tutorial deals with creating masks for complicated images by using channels.
Chances are you’ve noticed that when you attempt to increase the exposure in an image that is underexposed, you are going to clip your highlights, take areas of light color information and make them completely white. Before Camera Raw 4.1, the only way for you to compensate for this would be to dial back the exposure. Now, with the Recovery slider you can bring back some of the detail that was lost in the highlights without affecting the entire image.
Rod said on — March 30, 2008 @ 1:10 am
This is a superb hint – it truly does make it so much easier to correct CA.
Many thanks – Rod