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cassegrain telescope

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Cas⋅se⋅grain tel⋅escope

  [kas-uh-greyn]
Use cassegrain telescope in a Sentence
–noun Astronomy.
a reflecting telescope in which the light, passing through a central opening in the primary mirror, is brought into focus a short distance behind it by a secondary mirror.
Also called Cas⋅se⋅grain⋅i⋅an tel⋅escope  [kas-uh-grey-nee-uhn] .

Origin:
1805–15; named after N. Cassegrain, 17th-century French scientist, its inventor
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Based on the Random House Dictionary, © Random House, Inc. 2009.
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All Telescopes In Stock
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Cassegrain Telescope
Huge Cassegrain Telescope Selection in all Brands & Styles. Free Shipping!
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Cabela's - Binoculars
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Cassegrain Telescope
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Cassegrain Telescope
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