Sizing Your Photos Correctly

You need to be sure that your photos are the correct size for your purpose. If they are too large, they'll take up too much space, be more difficult to use, and may cause image degradation. If they are too small, they won't provide enough data for good image quality and could lose details and information.

■ Photos that will be inserted into printed documents should be the physical dimensions they will take up in the document (such as 2"x3") at about 300 dpi (dots per inch).

■ Photos that will be put into presentations or any other projected documents should be the physical dimensions (in relationship to your computer monitor) at about 120 dpi.

■ Photos for email or the Web should be the physical dimensions at about 100 dpi.

See Chapter 15 for guidelines on how to measure image sizes and how to shoot and edit photos so they are the correct size.

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