There are many different types of night vision equipment items like night vision goggles, ITT night vision, thermal night vision, night vision binoculars and monocular, and night vision digital cameras. When thinking about night vision most peoples first assumption is from the movies being about spying on people at night. The most important thing to learn about night vision goggles is how they work or how you can use them. With suitable night vision equipment, one can see a person standing over 200 feet away in complete darkness. Nevertheless, night vision equipment can be utilized to work in two very different ways, depending on the technology that is implemented. One is image enhancement, and the other is thermal imaging.
The military are the main people that use night vision goggles and other night vision equipment. The great thing however is that night vision goggles are also available for public use as well. You can find superior grade night vision equipment from retailers that sale to the general public. These goggles are fitted with high powered infrared illuminators where image enhancement and thermal imaging techniques work at the same time. These night vision goggles are the easy kind to use and are extra light weight and are conditioned to be extremely comfortable to wear.
Night vision goggles that are meant for both public and military use come in four types of generation units. A night vision device can be either a 1st, 2nd, 3rd or 4th generation unit. This categorization of units is based on the light intensifier tube, which is basically the soul of such a device. Some of the latest night vision goggles are the smallest and lightest Viper goggle and military issue AN PVS-7 night vision goggles.