Home Digital CCTV Products Digital Surveillance Today it's all about change, and nothing is changing society faster than digital surveillance technology. Video security has made the transition from analog to digital and with the proliferation of networks, the possible applications for video surveillance are virtually endless. Whether it's simple security monitoring or more advanced network video applications, the hardware and software are now available to provide solutions for individuals, institutions and commercial enterprises around the world. Video surveillance cameras implemented with digital recording equipment allow anyone to take advantage of this rapidly expanding technology. |
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Buying the right video surveillance cameras...
Understanding video surveillance camera specs:
- Resolution - 470 lines and up is high resolution for color video surveillance cameras. Medium resolution might be OK depending on your application, but remember that DVR's are high resoultion devices.
- Lux - the minumum illumination your video surveillance camera needs to produce a decent picture. The lower the number, the less light required. But be cautious...a camera with a 0.5 lux rating still won't help you in total darkness.
- Image sensor - will probably be either 1/3" or 1/4" format. 1/3" format means the chip is 1/3" across diagonally it collects more data than the smaller 1/4" chip. There are several manufacturers of CCD chips for video surveillance cameras with the most popular being Sony & Panasonic.