Auto Levels

The Auto Levels filter automatically corrects the exposure levels of an images. Using the Auto Levels filter makes the darkest image pixels darker, and the brightest pixels brighter.

Customized settings can be saved as a preset for future use. Presets can be selected from the Presets drop-down, or saved by clicking the adjacent Save icon.

To automatically correct image levels:

1. Select Filter | Exposure / Lighting | Auto Levels from the main menu, or press Alt + J.
2. Select one of the following options:
   • Auto Contrast and Color: Adjusts color differences, brightness, and balances RGB channels.
   • Auto Contrast: Adjusts the color differences and brightness only.
   • Auto Color: Balances the RGB channels in the image, without changing the brightness or contrast.
3. Use the Strength slider to fine tune the amount of exposure to apply.
4. Do one of the following:
   • Click OK to accept your changes and close the panel.
   • Click Cancel to discard your changes and close the panel.

Right-click a slider to reset to the default value.

This filter features a Pixel Targeting tab (see Pixel Targeting for more details).

Use the Edit Brush to paint this effect onto specific areas of the image.

Use the Gradient tool to transition this effect across specific areas of the image.

Use the Radial Gradient tool to apply effects around, or directly to, a center point.

See also:

• Lighting