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Information Of Infrared

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By Author: sudarshan singh
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Infrared Security cameras (IR) are sometimes referred to as IR cameras or "Night Vision Security Cameras" because of this. Infrared cameras have IR leds positioned around the outer edges of the camera lens which gives the camera its "Night Vision". Infrared Cameras can capture acceptable video in total darkness and even better quality video in low light. Even a small amount of ambient light helps the overall night vision capability of IR cameras a lot. IR cameras are available in various body styles, such as dome and bullet styles.

Frared CCTV cameras are becoming one of the most popular types of security/surveillance cameras for residences and commercial applications alike. Before purchasing an infrared CCTV camera it’s important that you are familiar with some of the terminology and functions associated with this specialized aspect of a CCTV security system. Most Closed Circuit Television or CCTV cameras today are digital cameras. Basically, they take pictures or video much the same way as a personal digital camera or camcorder. These cameras operate by allowing light to penetrate through an iris or variable ...
... opening, a lens, and then strike a Charged Coupled Device or CCD or a Complementary Metal Oxide Semiconductor or CMOS.

The key to an infrared CCTV camera is the CCD or CMOS. CCDs and CMOSs work by converting light into electrons. These electrons have a charge which can be monitored and used to produce a digital image. Both sensors are inherently sensitive to infrared (IR) radiation.here are basically two types of security cameras used as night vision security cameras. It’s important to understand the difference between the two. One type is also called a day/night camera and the other is an IR camera.

Day/night cameras produce color images when sufficient light is present. These cameras have very sensitive CCD or CMOS chips that allow the camera to process light into an image at very low light intensity. Light intensity is normally measured in units called LUX. In full daylight (but not direct sunlight) an average LUX reading ranges from 10,000 to 25,000 LUX. Night vision security cameras that can produce images in 0 LUX or no-light conditions are infrared CCTV cameras. These cameras can “see” infrared radiation in the 700 – 1400 nanometer wavelength range known as “near infrared.” The human eye cannot see this wavelength of electromagnetic radiation so any “near infrared” light is virtually invisible to our eyes.

Infrared CCTV cameras using IR technology illuminate their target area with infrared light. This light is provided by light emitting diodes or LEDs that are placed around the lens of the camera. The stronger the LEDs and the greater number of LEDs placed around the camera lens determines the effective range and field of vision of IR cameras.Infrared CCTV Cameras using IR technology produce a black and white or monochromatic image. This radiation is outside the visible color spectrum therefore the images are not in color. However, the clarity and contrast is just as sharp as normal color images. Most premium IR cameras have an effective operating range of up to about 150 feet. It’s imperative to know the specification for IR range when purchasing an IR camera as a camera with a very short range would be useless for monitoring an area 100 feet from the camera.


Rohan, for information on CCTV ,CCTV Board Camera,CCTV Box Camera ,CCTV Cable Accessories,CCTV Cables,CCTV Camera,CCTV Dome Camera,CCTV Lens,CCTV Recorder,CCTV Security System,CCTV Surveillance Camera,CCTV Surveillance Equipment,CCTV Surveillance System,CCTV Systems,CCTV Transmitter,CCTV Video Power Cable,Day Night CCTV Camera,Infrared CCTV Camera,Night Vision CCTV Camera ,Waterproof CCTV Camera and Wireless CCTV Camera.Please visit our site : http://www.adnetworks.in/

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