refracting telescope


Also found in: Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.
click for a larger image
refracting telescope
a refracting telescope;
f indicates the focus

re·fract·ing telescope

(rĭ-frăk′tĭng)
n.
A telescope in which light from an object is gathered and focused by a lens, with the resulting image magnified by the eyepiece.

refracting telescope

n
(Astronomy) a type of telescope in which the image is formed by a set of lenses. Also called: refractor Compare reflecting telescope

tel•e•scope

(ˈtɛl əˌskoʊp)

n., adj., v. -scoped, -scop•ing. n.
1. an optical instrument for making distant objects appear larger and nearer when viewed directly through lenses (refracting telescope) or indirectly as through images focused by a concave mirror (reflecting telescope).
adj.
2. consisting of parts that slide one within another.
v.t.
3. to force together, one into another, in the manner of the sliding tubes of a jointed telescope.
4. to shorten or condense.
v.i.
5. to slide together in the manner of the tubes of a telescope.
6. to be driven one into another, as railroad cars in a collision.
7. to become condensed.
[1640–50; < New Latin telescopium or Italian telescopio]

re·fract·ing telescope

(rĭ-frăk′tĭng)
A telescope in which light from an object is gathered and focused by lenses. See more at telescope.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.refracting telescope - optical telescope that has a large convex lens that produces an image that is viewed through the eyepiecerefracting telescope - optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece
field glass, spyglass, glass - a small refracting telescope
Galilean telescope - a type of refracting telescope that is no longer used in astronomy
optical telescope - an astronomical telescope designed to collect and record light from cosmic sources
Translations

refracting telescope

nRefraktor m
References in periodicals archive ?
In 1608, two Flemish spectacle-makers, Hans Lippershey and Jacob Metius independently of each other applied for patents for the first refracting telescope.
The refracting telescope uses two lenses and was first invented in 1608 in the Netherlands.
He recommended using binoculars adding: "If you use a small reflecting or refracting telescope, you might be able to see the rings of Saturn or even four of Jupiter's moons.
An astronomical observatory at the complex houses a telescopic system comprising a reflecting telescope of 450 mm diameter connected with a refracting telescope of 180 mm diameter, both devices mounted on one base.
Robert Todd Lincoln, considered to be a serious amateur astronomer, constructed an observatory with a six-inch refracting telescope that continues to be used today by the local astronomy club.
The first practical refracting telescope was perfected by which astronomer?
The Planetarium, the UK's largest refracting telescope and John Harrison's timekeepers, which solved the mystery of longitude and transformed sea travel.
Making something like a telescope is not the same tiling as making a telescope with practical applications, but this was achieved half a millennium ago using glass lenses at the beginning of the 17th century--the refracting telescope, which rifle scopes invariably are.
You can count sunspot numbers or make sketches in white light without much outlay in equipment--it is straightforward to build a simple projection system for a small refracting telescope, and a very satisfying way to get started.