Newtonian telescope


noun
  1. a reflecting telescope in which a mirror or reflecting prism is mounted on the axis near the eyepiece so that the image may be viewed from outside the telescope tube at right angles to the axis.

Origin of Newtonian telescope

1
First recorded in 1755–65

Words Nearby Newtonian telescope

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British Dictionary definitions for Newtonian telescope

Newtonian telescope

noun
  1. a type of astronomical reflecting telescope in which light is reflected from a large concave mirror, onto a plane mirror, and through a hole in the side of the body of the telescope to form an image

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