Most raw files contain 12 bits of information, but Photoshop can deal with 8-bit or 16-bit files. Holding down the Option key lets you brush to revert the effect and allows you to tweak the Size, Feather, Flow, and Density sliders to change the brush size and behavior. Brush and feather sizes can be adjusted on the fly. Additionally, you can paint brightness, contrast, saturation, clarity, and sharpness. You can vary exposure throughout the image quickly and effectively ( Figure 4.9). It's not exactly a dodge and burn function, but you can think of it in those terms when working with raw images. New to Camera Raw 5.0, this tool allows you to paint exposure, either less or more on specific areas of an image. The Pupil Size and Darken sliders let you refine your correction. You can correct red-eye in the Camera Raw 5.0 dialog by selecting the Red Eye Removal tool and then clicking the red part of the person's pupil. We've all seen red-eye, the demonic look that can show up in people's eyes when the light from a camera's flash bounces off their retinas. Rather, these tools provide a simple way to handle sensor dust and scanning artifacts that need to be removed. The Spot Removal tool is not intended for any complex retouching or fancy effects. If you happen to draw the first line incorrectly, click the gray area to lose the crop review, and then redraw with the Straighten tool. After you choose a preset or custom crop setting, the cropping rectangle becomes constrained when dragging over the image. Choosing Custom allows you to enter a precise width and height, such as 8 x 10 inches ( Figure 4.4). Clicking and holding on the Crop tool presents a menu of preset width/height ratios and an option for a custom size ( Figure 4.3). After choosing the Crop tool, you can click and drag across an image to control how much of the image will appear when it's opened in Photoshop ( Figure 4.2). Next to the eyedropper tools are the Crop and Straighten tools. (We talked about the Info panel and the eyedropper tools in Chapter 1, "Tools and Panels Primer.") You'll see how to use the White Balance tool shortly, when we start looking at the features that appear on the right side of the Camera Raw dialog. The right eyedropper (Color Sampler) causes RGB readouts to appear above the image preview, much like what you'd get in the Info panel. The left eyedropper (White Balance) works much like the middle eyedropper in both the Levels and Curves dialogs. Next to the navigation tools are two eyedropper tools. Place it in the following location on your hard drive: Library/Application Support/Adobe/Plug-ins/CS3/File Formats (Windows: C:/Program Files/Adobe/Plug-ins/File Formats). Once you've downloaded the update, double-click it to decompress the file. You can find updates to Camera Raw by visiting and clicking > Support > Downloads > Photoshop.
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