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Adjusting Brightness and Contrast
When there is too much light, a photo may be overexposed, which means
that some pixels in the photo are completely white when they should be
a shade of gray or colored. When there is inadequate light, the photo may
be underexposed, which means that some pixels in the photo are completely
black when they should be gray or colored.
The Brightness/Contrast function adds and removes light from all pixels
in a photo equally. It is a great way to quickly increase or reduce the
overall brightness in a photo.
To Adjust the Brightness and Contrast:
- Select the Selection Tool and click the photo.

- In the Menu bar, click Adjustments | Light
| Brightness/Contrast.
- In the Editing window, on the Settings tab, drag the Brightness
slider to the left to remove light and to the right to add light.
- Drag the Contrast slider to the left to reduce
contrast and to the right to increase. Contrast is the amount
of difference between the lightest and darkest pixels in the photo. However,
contrast also affects colors. You will want to increase contrast in dull
photos and to reduce contrast in bright photos.
- Press OK.
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