Night vision technology essay
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Answer:
Night Vision Technology Essay. ... NIGHT VISION TECHNOLOGY ABSTRACT A night vision device (NVD) is an optical installment that allows images to be produced in levels of light approaching total darkness. They are most often used by the military and law enforcement agencies, but are available to civilian users.
Answer:
Night vision is the ability to see in low-light conditions. Whether by biological or technological means, night vision is made possible by a combination of two approaches: sufficient spectral range, and sufficient intensity range. Humans have poor night vision compared to many animals, in part because the human eye lacks a tapetum lucidum.[1]
Contents
1 Types of ranges
1.1 Spectral range
1.2 Intensity range
2 Biological night vision
3 Night vision technologies
3.1 Image intensification
3.1.1 Active illumination
3.2 Thermal vision
4 Night vision devices
4.1 History
4.2 Current technology
5 See also
6 References
7 External links
7.1 Patents
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