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George Dollond
British astronomer and optical instrument maker (1774-1852) · Scientists · Died at 78
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Something wrong?George Dollond was an English optician who constructed precision optical instruments used in astronomy, geodesy and also in navigation. Together with Peter Barlow, he also invented an afocal system to extend the focal length of telescopes, called the Barlow lens.
Text from Wikipedia, CC BY-SA 4.0
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George Dollond was an English optician who constructed precision optical instruments used in astronomy, geodesy and also in navigation. Together with Peter Barlow, he also invented an afocal system to extend the focal length of telescopes, called the Barlow lens.
Text from Wikipedia, CC BY-SA 4.0
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