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 Wireless security camera system

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PostSubject: Wireless security camera system   Mon Nov 28, 2011 5:40 pm

Webcams normally include a lens, an Picture detector, and some support electronics. Many lenses
can be used, the most popular in consumer-grade webcams Becoming a plastic lens that can be screwed
in and out to determine the camera's focus. Fixed focus lenses, which have no provision for
adjustment, are also available. As a ip camera system's depth of field is good for small Picturer formats and is greater for lenses with a Big f-number (small aperture), the systems used in wireless webcam have sufficiently Big depth of field that the use of a fixed focus lens doesn't affect Picture sharpness a lot. Image detectors can be CMOS or CCD, the former Becoming common for cheap cameras, but ccd ip camera don't necessarily outperform CMOS-based cameras in the economical price range. Most consumer webcams are capable of providing VGA-resolution Movie at a frame Pace of 30 frames per Next. A lot of newer devices can create Movies in -megapixel resolutions. For more, pls visit http://www.apexis.cc
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