This workshop shows you how to apply tonal corrections to an image to restore detail that is lost in shadows or highlights due to improper exposure.

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To correct an underexposed or overexposed image, you will use the image-adjustment tools found in the Tone Curve dialog box.

Click here to open a sample image.

Note

Overexposed images should be altered by inverting the settings used to alter underexposed images.

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Click Image, Adjust, Tone Curve.

The response curve that you see is a visual representation of the balance between shadows, midtones, and highlights. By adjusting the points on the curve, you alter the distance between the lightest and darkest pixels in the image.

1. Click the Open button.
2. Choose LIGHTEN.CRV from the file list in the Load Tone Curve Files dialog box, and click Open.
3. Click OK.

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You have now learned how to correct an underexposed image, a fundamental method of enhancing the overall appearance of your image, adjusting the Tone Curve dialog box.

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