Adobe Photoshop CS4 Manual de usuario descargar pdf (Pagina 217)

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USING PHOTOSHOP CS4

Retouching and transforming

Last updated 1/10/2010

Shadows Changes the dark areas

Highlights Changes the light areas

4 Specify the exposure for the Dodge tool or the Burn tool.

5 Click the airbrush button to use the brush as an airbrush. Alternatively, select the Airbrush option in the

Brushes panel.

6 Select the Protect Tones option to minimize clipping in the shadows and highlights. This option also tries to keep

colors from shifting hue.

7 Drag over the part of the image you want to lighten or darken.

For a video on dodging and burning and using the Replace Color command, see www.adobe.com/go/lrvid4119_ps.

More Help topics

“Select a preset brush” on page 337

Adjust color saturation in image areas

The Sponge tool subtly changes the color saturation of an area. When an image is in Grayscale mode, the tool increases

or decreases contrast by moving gray levels away from or toward the middle gray.

1 Select the Sponge tool .

2 Choose a brush tip and set brush options in the options bar.

3 In the options bar, choose the way you want to change the color from the Mode menu:

Saturate Intensifies the color’s saturation

Desaturate Dilutes the color’s saturation

4 Specify the flow for the Sponge tool.

5 Select the Vibrance option to minimize clipping for fully saturated or desaturated colors.

6 Drag over the part of the image you want to modify.

More Help topics

“Select a preset brush” on page 337

Correcting image distortion and noise

About lens distortion

Barrel distortion is a lens defect that causes straight lines to bow out toward the edges of the image. Pincushion

distortion is the opposite effect, where straight lines bend inward.

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