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Analog video cameras of supervision are the devices transforming the visual picture to an electric television signal which can be transferred to the remote monitor or dvr the video recorder, for the purpose of further saving and display.
Surveillance cameras happen street and internal. Outdoor cameras of video of supervision are protected from difficult weather conditions, moisture, dust, a frost, snow and heat, and internal surveillance cameras have a beautiful esthetic appearance and can harmoniously join an interior of your house, office or shop.
Main characteristics of the analog camera of video surveillance.
Principal component of a video camera of supervision is the CCD the Matrix, it is the so-called transformer "Light — the Signal". The light picture, passing through a supervision video camera lens, it is focused on the Matrix which in turn will transform it to an electric television signal then in the electronic circuit of the surveillance camera video signal amplifies, processed and transferred to dvr the video recorder.
Quality of the picture of the surveillance camera also depends on the Matrix CCD, its main indicator is TVL.
