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catadioptric

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cat·a·di·op·tric  (kt-d-ptrk)
adj.
Of or relating to an optical system that uses both reflective and refractive optical devices.
catadioptric [ˌkætədaɪˈɒptrɪk]
adj
(Astronomy) involving a combination of reflecting and refracting components a catadioptric telescope
[from cata- + dioptric]
catadioptric  (kt-d-ptrk)
Relating to both the reflection and refraction of light, especially by a combination of mirrors and lenses or by a prism. Catadioptric systems are used in Fresnel lenses, optical calibration equipment, and some telescopes. Compare catoptricdioptric
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Talks that day included Jim Hysom discussing a new type of catadioptric telescope and David Allen, a professional astronomer from Cambridge relating his recent observing trip to do infra-red astronomy with the 30-inch reflector of the Physics Department of the University of Minneapolis in Minnesota, USA.
Using the Innes telescope again by Argyle, R.W. / Monthly Notes of the Astronomical Society of Southern Africa
The Catadioptric or Mirror-lens Telescope A Mirror-lens or Catadioptric telescope uses a good combination of these lenses and mirrors.
What Are the Different Scientific Instruments? by Dave Text / Reference and Education community
Catadioptric telescopes are a combination of refractor and reflector and are quite portable even at large apertures.
Choose a Good Beginners Telescope - Cut Through the Information ... by Aidan James / Travel, recreation and leisure community
 
 
 
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