TERMIUM Plus®

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CASSEGRAINIAN [1 record]

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Alphabetical list of terms

Record 1 1991-03-22

English

Subject field(s)
  • Facilities and Instruments (Astronomy)
DEF

A reflecting telescope in which the light is reflected from the (parabolic) main mirror onto a convex (hyperbolic) secondary mirror and back through a hole in the center of the main mirror, thence into the eyepiece.

Key term(s)
  • cassegrainian

French

Domaine(s)
  • Installations et instruments (Astronomie)
DEF

Combinaison optique dans laquelle la lumière se réfléchit sur un miroir principal parabolique concave, puis sur un petit miroir hyperbolique convexe, pour donner une image finale agrandie, à travers un trou percé au centre du miroir principal.

Spanish

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