newtonian telescope

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Definitions from WordNet

Noun newtonian telescope has 1 sense

Newtonian telescope, Newtonian reflector - reflecting telescope in which the image is viewed through an eyepiece perpendicular to main axis
--₁ is a kind of reflecting telescope, reflector

Definitions from the Web

Newtonian Telescope

Description

A Newtonian telescope is a type of reflecting telescope designed by Sir Isaac Newton in the 17th century. It uses a concave primary mirror to gather and focus light, which is then reflected onto a smaller flat secondary mirror that diverts the light to the eyepiece at the side of the telescope. This design offers a larger aperture at a lower cost compared to other types of telescopes.

Sample Sentences

My new newtonian telescope allows me to observe distant celestial objects with incredible clarity.
The convenience and affordability of a newtonian telescope make it a popular choice among amateur astronomers.
Learning to collimate a newtonian telescope properly is essential for achieving optimal image quality.

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