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Using the Brightness/Contrast command
The Brightness/Contrast command lets you make simple adjustments to the tonal range of an image. Unlike Curves and Levels, this command makes the same adjustment to every pixel in the image. The Brightness/Contrast command does not work with individual channels and is not recommended for high-end output, because it can result in a loss of detail in the image.
To use the Brightness/Contrast command:
- Open the Brightness/Contrast dialog box. (See Making color adjustments.)
- Drag the sliders to adjust the brightness and contrast.
Dragging to the left decreases the level and to the right increases it. The number at the right of each slider value displays the brightness or contrast value. Values can range from -100 to +100.