Night Vision Goggles

Night vision goggles are truely a remarkable advancement in technology, and can provide many different benefits ranging from recreational uses, to military and enforcement use.

The term night vision goggles refers to a thermal night vision device or infrared device with dual eyepieces. This night vision device can come in either binocular eyepieces with an image intensifier tube for each eye or as a monocular with one light intensifier tube.

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The Theory Behind Night Vision Googles

Night vision devices use the lower portion of the light spectrum, the infrared, and magnify the smallest amount of light to enhance what would otherwise not be visible to the naked eye. Night vision thermal devices differ in that they capture the upper portion of the infrared spectrum that we know as heat, and thus display an image that shows the heat of the target, which is also called the thermal image. Essentially, night vision technology takes advantage of the minute amount of light that we cannot normally see with the naked eye, and enhances, magnifies to give a better image. With the use of thermal imaging we can see the otherwise invisible thermal energy that is given out by most objects through the use of a night vision device.

For more information about night vision goggles and night vision devices, and history of night vision check out the articles section.

For images of night vision goggles and night vision devices, and check out the images section.

Some Wild Hogs caught in action with a night vision scope.
Check out some more night vision action on the video page.