Night vision is the ability to see in low-light conditions, either naturally with scotopic vision or through a night-vision device.
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Night vision is the ability to see in low-light conditions, either naturally with scotopic vision or through a night-vision device.
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Night vision requires both sufficient spectral range and sufficient intensity range.
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Humans have poor night vision compared to many animals such as cats, in part because the human eye lacks a tapetum lucidum, tissue behind the retina that reflects light back through the retina thus increasing the light available to the photoreceptors.
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Human Night vision is confined to a small portion of the electromagnetic spectrum called visible light.
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Active infrared night vision is commonly found in commercial, residential and government security applications, where it enables effective night time imaging under low-light conditions.
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Laser range gated imaging is another form of active night vision which utilizes a high powered pulsed light source for illumination and imaging.
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Night vision device is a device comprising an image intensifier tube in a rigid casing, commonly used by military forces.
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Lately, night vision technology has become more widely available for civilian use.
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For example, enhanced Night vision systems have become available for aircraft, to augment the situational awareness of pilots to prevent accidents.
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Specific type of NVD, the night vision goggle is a night vision device with dual eyepieces.
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Night vision goggles combined with magnification lenses constitutes night vision binoculars.
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Night vision glasses are single or binocular with a large diameter objective.
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An automotive night vision system is used to improve a vehicle driver's perception and seeing distance in darkness or poor weather.
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