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Analog: 650-1000 TV Lines

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Analog cameras are video surveillance cameras that can be mounted in a strategic location on your property’s perimeter to monitor any activity in the area. Analog cameras create raw video feeds that must be sent over cable connections to a nearby digital video recorder (DVR). These signals are converted to viewable/recordable digital video files within the DVR. Each DVR will feature separate channels; one for each of the cameras comprising your system. Be sure to choose a DVR with enough channels to support the number of cameras you will be installing. You’ll probably want to assemble an uninterrupted circumference of video surveillance coverage to completely monitor your property. 650-ANALOG_1000-TV-LINES Although some newer analog cameras are capable of delivering stunningly sharp, high definition images files, most older analog cameras deliver somewhat lower resolution. HD cameras are often designated 720p or 1080p, similar to high definition television programming. But the resolution of older cameras is usually described in terms of Television Lines (TVL). TVL refers to the number of lines displayed on a given area of your screen. Higher TVL numbers translate into greater resolution images. These days, consumers are more likely to be familiar with effective pixel densities. For example, a camera capable of rendering images with 700 TVL resolution would deliver an image with about 976 x 582 pixels. Accordingly, a 1000 TVL camera provides some of the sharpest resolution possible with an analog video surveillance camera. This resolution rivals that of some high definition digital video cameras.

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