What is a night vision?
Night vision technology allows people to be seen in the dark. Modern systems work surprisingly well and some can work in complete darkness. Most night vision systems rely on one of two basic technologies: thermal display and amplifiers. Generally hot objects emit more infrared light than colder. Infrared sensors scan the environment and detect objects that emit more infrared radiation. This data is then transferred to images that are presented to the viewer. Since thermal systems do not rely on light, they can generate visible images in complete darkness.
Image amplifiers work to intensify the visible light. They require minimal light to work and are useless in complete darkness; This is usually not a problem, because the light provided only by the stars is sufficient. These systems simply amplifiers of light to the assumer viewer and thus make the dark environment visible.
Night vision systems can complement various devices from binoculars to binoculars to Stil and camcorders. Perhaps the most popular applications of this technology are Night Vision glasses. Night vision glasses provide people with real -time images and therefore allow them to work in a dark environment.