The infrared illuminators of the infrared camera allow the camera to see fine video images in the absolutely dark areas. In a very small amount of light, infrared camera can form an image that looks just like photos taken during day time.
Like a common camera, the main function of an infrared camera is to construct an image using visible light. The only difference between a usual camera and an infrared camera is that the latter one uses infrared radiation to construct a picture. Infrared security cameras have infrared illuminators that are installed around the outer side of the lens of camera. Infrared light is originated from different areas of the electromagnetic spectrum.
Infrared security camera and its uses
The infrared security cameras are frequently used for commercial purposes that turn lights out at night.
Infrared security cameras are basically designed to see at the night time. For this reason, this type of camera often confused with the Night Vision cameras. However, different wavelength of the light is used for these two different cameras. Night vision goggles are extensively used by the military forces. Infrared security cameras use an unseen light during operation, but the light looks as a white visible light while viewing on video monitor.
The video image produced by the infrared cameras is generally black and white. But nowadays color cameras have also come into existence to provide better picture. Some of the day/night infrared cameras not only form color pictures but are also capable of constructing color videos during the daytime when natural light is accessible and automatically switch to black and white images while the light is low during the evening or night.
Some Infrared security cameras are there that allow people to watch images at a very low light and in absolutely no light conditions. You can take pictures both the inside and outside of your house anytime of the day you like.
In earlier days, Infrared security cameras were usually very much expensive. Common people could not even dream of buying an infrared security camerafor the safety of their household. But nowadays, infrared cameras have become quite affordable and even common people can easily get one for their households. There are various types of infrared cameras are available in market and the prices of these cameras vary according to the inbuilt features of the cameras and the popularity of the brands.
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