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The achromatic telescope is a refracting telescope that uses an achromatic lens to correct for chromatic aberration.
- also known as 消色差望遠鏡
Printed dictionaries and other books with definitions for Achromatic telescope
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by Ari Ben-Menahem
Independently invented the achromatic telescope, using an objective lens, composed of two kinds of glass so that the chromatic aberration in one kind of glass is compensated for by the other kind of glass. Hall, an amateur scientist from Essex, ...
by Nam Nguyen
Achromatic telescope. See under Achromatic. -- Aplanatic telescope, a telescope having an aplanatic eyepiece. -- Astronomical telescope, a telescope which has a simple eyepiece so constructed or used as not to reverse the image formed by ...
by William Nicholson
Achromatic Telescope," is a name given to the reft acting telescope, invented by Mr. John Dollond, and so contrived as to remedy the aberration arising from colours, or the different refrangibility of the rays of light. The improvement made by Mr.
The London encyclopaedia, or, Universal dictionary of science, art, literature, and practical mechanics, by the orig. ed. of the Encyclopaedia metropolitana [T. Curtis].
by Thomas Curtis (of Grove house sch, Islington)
The calculation of an achromatic object- glass, and in general that of every achromatic telescope, requires a precise knowledge of the ratio of the sines of incidence and refraction, and of the ratio of dispersion of the different kinds of glass ...
A Dictionary of Science (1873)
Comprising Astronomy, Chemistry, Dynamics, Electricity, Heat, Hydrodynamics, Hydrostatics, Light, Magnetism, Mechanics, Meteorology, Pneumatics, Sound, and Statics; Preceded by an Essay on the History of the Physical Sciences by George Farrer Rodwell
Achromatic Telescope. A telescope, the object-glass of which is rendered achromatic (see Achromatism). Achromatic telescopes are now universally employed, except when reflecting specula are used. One of the best treatises on the general ...
The British Encyclopedia (1809)
Or, Dictionary of Arts and Sciences. Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge by William Nicholson
Achromatic Telescope," is a name given to the refi acting telescope, invented by Mr. John Dollond, and so contrived as to remedy the aberration arising from colours, or the different refrangibility of the rays of light. The improvement made by Mr.
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