Powerful Cameras, Lower Prices

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The Dirt on Digital SLRs' Dust

The image sensor in a digital SLR carries an electrostatic charge that attracts dust, which can ruin photos, especially if you change lenses. To minimize dust, switch lenses quickly while the camera is turned off and facing downward.

If you try to clean the sensor yourself, avoid canned aira??it can damage the sensor. Use only a handheld air blower, such as Giottoa??s Rocket Air Blower (find.pcworld.com/48754). Otherwise, your options are limited. Pro shops and camera makers charge anywhere from $30 to $100 per cleaning. For more tips, and information on camera warranties, click here.

Melissa J. Perenson

This story, "Powerful Cameras, Lower Prices" was originally published by PCWorld.

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