You Can Have Night Vision Too

When you think of night vision the first thing that comes to mind is most likely a cool thing that you see in spy movies or something that the army uses on their top secret missions. The catch is that night vision technology is not all that high tech or just available to the operations of the government or in the dream of Hollywood.

Night vision works by collecting the small amounts of light that are still available even in the darkest of rooms there is always some kind of light available which night vision equipment takes and enhances giving some more ability to see everything in the room. The scientific wording of night vision is taking light on lowest end of the light spectrum and enhances those light particles to take them into the higher end of the light spectrum making them more visible to the human eye to use them to illuminate the room or surrounding area.

The high end light particles then allow the user to use thermal imaging which uses the heat generated by the body or other things that generate heat. All of the low spectrum light and the light from heat combine to allow the night vision products to work. Night vision has many uses and if you are in the market for night vision goggles, or thermal night vision goggles, there are plenty of options available on www.spyassociates.com to meet your night vision needs or any other surveillance product you may need.

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About The Author
Joe Andrea Gooden
To learn more about Spy and Surveillance Products visit http://www.spyassociates.com. Read other related articles at http://spyassociates.blogspot.com/.

The Way Night Vision Works

Most people are familiar with the concept of night vision. After all, it is seen in countless action and spy movies. However, the truth is that night vision is more than a fantastical concept; it is reality. And with goggles, night scopes, binoculars and monoculars, it is possible to see on a moonless, cloudless night. In fact, the technology is so advanced that you can see a person standing more than 200 yards away. That's twice the length of a football field! The remarkable feat of human sight at night is accomplished one of two ways: image enhancement or thermal imaging.

Image enhancement is a night vision technique that collects tiny amounts of light that may not be perceptible to the human eye. These are the smallest glimmers of light, sometimes even on the lower end of the infrared spectrum, that are discovered by the device in use. The points of light are than amplified by the device to a point that allows the object or person to be seen easily.

The other way night vision works is by thermal imaging. This is technology that works exclusively in the upper portion of infrared light. Rather than gathering reflected light, this is heat that is given off by objects or people. This is known as thermal infrared, and it occupies the largest amount of space as part of the infrared spectrum (which is at the lower end of the light spectrum, below what is detectible by the human eye). This means that there is a great deal of wavelengths that can be detected by the proper devices. Because thermal imaging works by putting the heat coming from objects in visible form, it is to be expected that some objects will appear clearer than others. Humans, for example, emit more heat than a tree, and so a tree will not be as clear.

Night vision products make excellent additions to any surveillance collection, and they can be very helpful in locating objects or people in dark places. You will pay in a price range from under $300 to more than $15,000, depending on features, accuracy, and purpose of the accessories you choose to aid your night vision.

(c) 2005 Copyright www.spyassociates.com. This article is about: Night Vision

About The Author
Shawn Davis
To learn more about Spy and Surveillance Products visit http://www.spyassociates.com . Read other related articles at http://spyassociates.blogspot.com/.

The Way Night Vision Works

Most people are familiar with the concept of night vision. After all, it is seen in countless action and spy movies. However, the truth is that night vision is more than a fantastical concept; it is reality. And with goggles, night scopes, binoculars and monoculars, it is possible to see on a moonless, cloudless night. In fact, the technology is so advanced that you can see a person standing more than 200 yards away. That's twice the length of a football field! The remarkable feat of human sight at night is accomplished one of two ways: image enhancement or thermal imaging.

Image enhancement is a night vision technique that collects tiny amounts of light that may not be perceptible to the human eye. These are the smallest glimmers of light, sometimes even on the lower end of the infrared spectrum, that are discovered by the device in use. The points of light are than amplified by the device to a point that allows the object or person to be seen easily.

The other way night vision works is by thermal imaging. This is technology that works exclusively in the upper portion of infrared light. Rather than gathering reflected light, this is heat that is given off by objects or people. This is known as thermal infrared, and it occupies the largest amount of space as part of the infrared spectrum (which is at the lower end of the light spectrum, below what is detectible by the human eye). This means that there is a great deal of wavelengths that can be detected by the proper devices. Because thermal imaging works by putting the heat coming from objects in visible form, it is to be expected that some objects will appear clearer than others. Humans, for example, emit more heat than a tree, and so a tree will not be as clear.

Night vision products make excellent additions to any surveillance collection, and they can be very helpful in locating objects or people in dark places. You will pay in a price range from under $300 to more than $15,000, depending on features, accuracy, and purpose of the accessories you choose to aid your night vision.

(c) 2005 Copyright www.spyassociates.com. This article is about: Night Vision

About The Author
Shawn Davis
To learn more about Spy and Surveillance Products visit http://www.spyassociates.com. Read other related articles at http://spyassociates.blogspot.com/.