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Photoshop CS4's adjustment features offer unparalleled opportunities to correct and manipulate images. In Photoshop CS4: Image Adjustments in Depth, Jan Kabili explains how to use all the major Photoshop adjustment features. She shares the best techniques for adjusting image quality, and shows how to use the new Adjustments panel to streamline a photo correction workflow. Jan also demonstrates multiple ways to eliminate color casts, and explains how to use the new On-Image Curves control to adjust brightness and color. This course offers a detailed look at the techniques photographers and designers use to master image adjustments in Photoshop. Exercise files accompany the course.
If you shot more than one image in the same lighting conditions, you can take advantage of the fact that an adjustment layer can be reused on more than one image. For example, here I have two photographs that I took from approximately the same vantage point in the same lighting conditions. This is flag2.psd to which I have already applied two adjustment layers: a Levels adjustment layer to set the black and white points of the image, as I'll show you how to do in later movies, and a Brightness/Contrast adjustment layer to tweak the overall brightness of the image.
Then I have flag3.psd also open and I'll click its tab to show you this image. I haven't yet adjusted this image, but I think that I can probably use the same adjustment layers on this image that I did on flag2.psd. So I'm going to go back to flag2.psd and I'm going to select both adjustment layers by clicking on one and then holding down that Command key on the Mac or the Ctrl key on the PC and clicking on the other adjustment layer. Then I'm going to get my Move tool and I could then just click in flag2.psd and drag up to the flag3.psd tab and then move down into the image and release my mouse and that would copy the Brightness/Contrast adjustment layer and the Levels adjustment layer to this second image flag3.psd. So that's one way to do it.
I'm going to actually delete those two adjustment layers by dragging them to the layer trash and show you another way to share adjustment layers between images. I will go back to flag2.psd and this time I'm going to go up to the Applications bar and I'm going to click the Arrange Documents menu here. From this menu I'm going to choose this 2-Up view and this allows me to see both flag2.psd and flag3.psd on my screen at the same time. I have flag2.psd selected as the active documents and I have both, the Levels and Brightness/Contrast adjustment layers selected in the Layers panel for flag2.psd. I still have Move tool selected and now all I have to do is click on flag2.psd and drag over into flag3.psd and when that gray bounding box appears inside of flag3.psd, I'll release my mouse. And that copies those two adjustment layers into flag3.psd and I know some people prefer to do it this way where they can actually see both images at the same time.
Being able to reuse your adjustment layers in this way is a great way to speed up your production workflow and become more efficient as you adjust your images.
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