Newtonian Reflecting Telescope
Sir Isaac Newton's reflecting telescope, known also as the Newtonian telescope. It worked by concentrating light by reflection from a parabolic mirror, instead of by refraction through a lens. Newton (1642-1727) first displayed this telescope to King Charles II, based on a design of 1668. It had a focal length of 15cm and could magnify 30-40 times. This drawing was published in the philosophical transactions of the Royal Society in 1672
Picture No
13345668
Media ID
47788974
Size
2550px x 3787px
(1.1MB)
Credit
© Science Source / Mary Evans Picture Library
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1600s Isaac Newtonian Optics Reflecting Seolink-scientists-01-2020 Telescope
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