These lenses were most likely used to cauterize wounds, ignite fires or as loupes for handworkers. At many different periods it was known that optimized lens surfaces produce better image quality. These lenses can be compared with those produced today by modern methods and the advice of scientists. on the island of Gotland, Sweden (once populated by Vikings) produced aspherical lenses. Precise studies have shown that the ingenious combination of a plano convex lens with a properly positioned pupil and a short focal length concave surface are responsible for this effect.ĭiscoveries dated to the 11th and 12th centuries A.D. It is known that when observing a statue, it appears the statue is always looking at you, even when you are in motion. Archaeological findings from the time of the Pharaohs (2600-2400BC) have shown this culture possessed outstanding anatomical knowledge. The origins and historical development of our current knowledge of optics are very interesting. To describe this ability, the Greeks used the word "optikos," which can be interpreted as seeing, vision, or visual faculty. The ability of Man, and various animals groups, to visually perceive their surroundings is realized by the eye and coupled nerve endings in the brain. *Translated By Scott Kittelberger, Volpi AG
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