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When Is The Most Common Time A Burglar May Try And Break Into Your Home

Jan 24, 2008
When do most people believe any form of crime takes place? As I am sure you would expect the answer is at night time, in the cover of darkness the active criminal can go about their business and remain relatively unseen. This is where the night vision security cameras come into their own and are a must have for any home or business. The purpose is that they allow the user to see in total darkness no mater where the camera is positioned or how dark.

The majority of camera systems will use infra red, the principles behind the process lie in the light striking an object, the atoms react and then give off a low frequency infra red wave length. The cameras are very sensitive to the infra red emissions and amplify them and this then converts to an image that you see on your monitoring equipment. It is most likely that you would hear this being referred to as Thermal Imaging and you are likely to buy thermal imaging cameras. There are other devices available which is known as image enhancement or image intensification, these devices have a special lens which reflects the infra red wavelengths.

Many of the better night vision cameras will give excellent picture levels the images will be very clear. The only issue that may be found with the picture quality is the colour levels can be compromised. Often the night camera systems will process the picture in green; there are scientific reasons behind this as the human eye is capable of being able to differentiate more shades of green than any other colour.

Most night cameras will be on a rating scale which is know as Lux, this refers to the minimum illumination that the camera could pick up an image. The best security cameras will have a lux rating of 0, thus showing that the camera can operate in total darkness. If you decide to purchase a day/night camera then you will find many will switch to the green shades or black and white for the night time vision as explained earlier this gives the best quality picture for the light. You would possibly expect the cameras to have a fairly low distance when it comes to getting a good quality picture, it does vary depending on how the quality of the camera but you could expect to get a picture anywhere from 25 meters to over 300 meters.

The night vision security cameras do come in many different forms and the quality will be reflected on the price that you pay. Generally the more you pay the better quality you will get from your picture playback, when selecting the system assess what you need to be able to see, how far it will be from where the camera is and how clear you need the picture quality to be. If you consider all of these aspects then you should be able to select the right systems that will suite your business or homes security.
About the Author
Steve Strong's is an employee with Sun Security which is an innovative and growth oriented company who uses a fresh and new approach to meet the security needs of millions of consumers throughout North America. Sun Security supplies Night Vision Security Cameras Visit us at: http://www.sunsecurity.com
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