Raw files are read-only, so you can't alter the original data. How, then, do you edit a raw file? In Adobe Camera Raw, the raw file processor that comes with Photoshop, edits to raw files are saved in data separate from the original image data. In that way, it's like an adjustment layerwhich makes adjustments easy to save and easy to transfer to other raw images. Multiple selections are the key to changing many raw images quickly. You can work on multiple images in Camera Raw by selecting more than one image in Adobe Bridge before opening Camera Raw. (I talk about multiple-file selections in Chapter 7.) Of the images you open in Camera Raw, you can then select one or more of those images. If more than one image is selected in Camera Raw when you make adjustments, Camera Raw changes all selected images. You can also use the techniques below to apply one image's adjustments to many other similar raw images. Creating Camera Raw PresetsYou can save Adobe Camera Raw settings as a preset. When you do this, the name of your preset appears in the Settings menu in the Camera Raw dialog box. Saving a preset is a good idea when you expect that your settings will be useful for many images in the future. For instance, I have a preset that applies certain noise reduction settings for images I shoot at ISO 1600. To create a Camera Raw preset:
To apply a Camera Raw preset, choose it from the Settings pop-up menu in the Camera Raw dialog box.
Synchronizing Camera Raw SettingsWhen you open multiple images in Camera Raw, you can apply one image's settings to any other by synchronizing them. You can synchronize all of the settings, or just some of them. To synchronize Camera Raw settings:
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