Since Infrared emitters or illuminators can add lighting to an existing surveillance camera if the camera is infrared sensitive or compatible, long distance capabilities can be reached by adding more IR Leds. However longer distance will result in smaller illuminator beam.
2. The spread of the Infrared illuminator beam
Depending on your CCTV project, normal IR illuminator beam will cover between 15degree to 80 degree. If you want to cover more wide angel for your illuminator beam, more short distance you can reach.
3. The Wavelength in which the IR illuminator produces light as to it being slightly visible to completely invisible to the human eye.
Cameras See the Light But The Human Eye Does Not
Normal IR illuminators have infrared leds that emit light at 850nm. This is a part of the spectrum that the human eye cannot see. Infrared cameras or ir sensitive cameras, however, can see the light. This means that you can add light to your video security system without adding visible light (such as a flood light). Your video image will be brighter and more like daylight when you use an infrared illuminator.
The Illuminator Advantage
Infrared illuminators can be a great addition to your video surveillance setup. Because they do not require a video signal, only power, you can add them into an existing system to help your lighting. If there is a particular area you need more light in, you just need to plug it in and point it at that area.
Support Team From YY Trade Inc
www.yytrade.net
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