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Chapter 4. Editing Photos > Adjusting Exposure

Adjusting Exposure

Exposure is the most fundamental aspect of photography, since it refers to the amount of light that strikes the camera's sensor. Most cameras control exposure automatically and do a good job, but they can be fooled, producing an underexposed (too dark) or overexposed (too light) image. If that happens, you'll want to use iPhoto's Exposure and Levels (discussed on the next page) sliders.

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