refracting telescope


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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 ?
The new equipment, a 16-inch reflecting telescope, has replaced the six-inch aperture refracting telescope procured in 1958 by the university.
Eye on the stars Robert Waland at his Dumfries home with the six inch refracting telescope he took 12 years to create, completing it in 1945
His interests were diverse, taking him from the woodworking shop and laboratory he built with his brother, to observing the Moon and planets with a 4-inch Clark refracting telescope mounted on the roof of the family home when Hale was 14, to informally studying architecture with the Chicago architect Daniel H.
The 25-inch refracting telescope that resulted was, at the time, the largest in the world and had a tube nearly 30ft in length.
In 1608, two Flemish spectacle-makers, Hans Lippershey and Jacob Metius independently of each other applied for patents for the first refracting telescope. News of these novel devices, described as 'for seeing things far away as if they were nearby', soon reached Galileo Galilei who then worked out the principles for himself building his own 8x magnification version in 1609.
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?