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English: A replica of Isaac Newton's second reflecting telescope of 1672.
This was a new design of telescope - the Newtonian reflector. Newton's work on optics and splitting white light, led him to believe that all refracting telescopes would suffer from chromatic aberration. His new design of reflecting telescope minimized this problem. However, due to problems with accurately grinding the mirror, Newton's telescope actually caused more image distortions than other contemporary telescope and more than a century passed before reflecting telescope became popular. Newton's first telescope had an objective concave primary mirror diameter of about 1.3 inches (33 mm) with a 6 inch (150mm) long focal length. It had the ability to magnify about 40 times, with a performance similar to a 6 foot (2m) long refracting telescope Newton compared it to (PBS/Nova: Newton's Dark Secrets). Newton presented a second version of his reflector to the Royal Society in 1672 (The History of the Telescope By Henry C. King, Page 74) and was admitted as a fellow of the society in the same year.

This replica of that second Royal Society reflector and is in the Whipple Museum of the History of Science in Cambridge.
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Sumber www.andrewdunnphoto.com
Juru pangarang User:Solipsist (Andrew Dunn)

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Photograph © Andrew Dunn, 5 November 2004.
Website: http://www.andrewdunnphoto.com/
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Image history of en:Image:NewtonsTelescopeReplica.jpg:

  • (del) (rev) 00:32, 6 November 2004 . . Solipsist . . 1024×891 (119,970 bytes) (A replica of Isaac Newton's telescope of 1672.)

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Replica of Isaac Newton's second reflecting telescope of 1672.

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gegambaran Jawa

Nepal Indonesia

status hak cipta Indonesia

berhak cipta Indonesia

sejak Indonesia

5 November 2004

tipe media Indonesia

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siki19 April 2019 14.52Miniatur nggo versi dong 19 April 2019 14.521.024 × 891 (376 KB)Fabian RRRRReverted to version as of 07:16, 10 January 2010 (UTC), more realisitc
20 Mei 2018 18.43Miniatur nggo versi dong 20 Mei 2018 18.431.024 × 891 (516 KB)Till.niermannWhite balance
10 Januari 2010 07.16Miniatur nggo versi dong 10 Januari 2010 07.161.024 × 891 (376 KB)DrJungedenoised, sharpened.
23 Mei 2009 09.22Miniatur nggo versi dong 23 Mei 2009 09.221.024 × 891 (126 KB)Thomas Gunah, fair play
23 Mei 2009 09.20Miniatur nggo versi dong 23 Mei 2009 09.201.024 × 891 (118 KB)Thomas Gunnot sure what was wrong with the colour before?
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