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Reviews of Infrared Security Systems

Infrared or IR radiation is electromagnetic radiation of wavelength that is longer than visible light, yet shorter than microwave radiation. Infrared light was discovered by the famous English astronomer William Herschel in early 1800s, and the potential to use this in photography and imaging has been on enthusiasts’ minds ever since. The history of infrared camera hence dates back to approximately the same time as the discovery of thermography. Infrared cameras using ‘thermography’ technology is the term used to refer to equipment or methods employed to detect infrared energy emitted from an object and convert it into temperature. An image showing clearly demarcated areas of temperature variation or distribution is the end result of thermography. Infrared cameras therefore employ a type of photography that measures temperature differences in the infrared range and this technology found its very first use in the field of medicine.

Infrared security cameras use infrared light instead of the regular lightning spectrum. In this way they can produce better images in low light conditions. Modern night vision cameras record in black and white at night and some will record color in the day time, while infrared cameras will never set you up even in complete darkness. An infrared cameras can be a perfect solution for anyone who needs to capture images in low light areas. It takes little time to get used to the imaging from an infrared camera, but it works in complete darkness and at the same time it is a cost saving investment.

Infrared cameras should not be confused with night cameras. Night cameras can record in low light while infrared cameras/illuminators will give images in zero light conditions. Such cameras are usually lightweight and easy to install.Night-time imaging in the world of IR security cameras is essentially black-and-white (monochromatic) imaging. During the day and when light is available these cameras produce a color image. When the amount of light drops to a preset threshold (factory set or user adjustable) the camera automatically switches to infrared mode. Day/night cameras stretch the threshold a bit by using a very sensitive video sensor and can still produce color images in extremely low light but unless the camera is also IR sensitive it will stop working when zero light is available no matter how good the low-light video sensor is. Keep in mind that even at nighttime there is a normally some light from nearby street lamps, signs, and even the moon and stars, so in some situations a good day/night camera can be preferable to an IR camera.

Images from infrared cameras normally produce monochromatic pictures since these gadgets are usually designed with only a single type of sensor which responds to a single wavelength range of infrared radiation. This limitation is owing to the fact that color cameras require a more complex construction to differentiate wavelength.Mini infrared camera essentially finds its use in undercover or spying activities and is available in the size of a lipstick or even a small bullet cartridge. Small infrared camera also comes with the unique advantage of being able to be integrated into a variety of under-cover accessories since it can easily be hidden under clothing or even accessories like head-gear or eye wear.

Infrared Camera is one type of camera security system that has the ability to record video in low lighting that is not able to do other types of security cameras. They are able to work in the light level is really low, or even a condition that is really dark. This is only possible for security camera systems to capture video in black and white, but this is better than none. Infrared (or IR) capture infrared radiation. This camera has a different size and different number of bulbs as well, from 64 to 6 bulbs.
 

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