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Achromatic lens

Definition of the noun achromatic lens

What does achromatic lens mean as a name of something?


  1. a compound lens system that forms an image free from chromatic aberration
    • lexical domain: Artifacts - nouns denoting man-made objects
    • more generic term: compound lens = a lens system consisting of two or more lenses on the same axis

Alternative definition of the noun achromatic lens


  1. [optics] A lens generally composed of two separate lenses, one convex and one concave and generally of different materials, in such a way that the chromatic aberration produced by one is corrected by the other.


Achromatic lens: An achromatic lens or achromat is a lens that is designed to limit the effects of chromatic and spherical aberration. Achromatic lenses are corrected to bring two wavelengths into focus in the same plane.

Printed dictionaries and other books with definitions for Achromatic lens

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Google previewIllustrated Dictionary of Practical Astronomy (2012)

by C. R. Kitchin

achromatic doublet See achromatic lens. achromatic lens A lens in which the chromatic aberration has been reduced compared with that to be expected from a simple lens. The first achromat was invented by Chester Moor Hall in 1733 and ...

Google previewKnight's American Mechanical Dictionary (1884)

A Description of Tools, Instruments, Machines, Processes, and Engineering; History of Inventions; General Technological Vocabulary; and Digest of Mechanical Appliances in Science and the Arts by Edward Henry Knight

ACHROMATIC LENS. Fig. 22. Fig. 23. Mixntr's Knapsack. McEvoy's Knapsack. made of wicker-work, and has partitions and doors ; it is covered with waterproof material, and contains medicines, lint, bandages, splints, and ...

Google previewDictionary of Physics (2010)

by Sanjay Yadav

achromatic lens: 1. Syn. achromat. 2. A compound lens whose elements differ in refractive constant in order to minimize chromatic aberration. Simple achromatic doublets are formed by combining two lenses of different glass. To produce an ...

Google previewDictionary of Plant Breeding, Second Edition (2009)

by Rolf H. J. Schlegel

bot achlorophyllous: A plant or leaf without chlorophyll bot achromat: A microscope objective corrected for axial chromatic aberration micr >>> achromatic lens achromatic: Parts of the nucleus not stainable by common chromosome dyes cyto ...

Google previewMosby's Dictionary of Medicine, Nursing and Health Professions - Australian & New Zealand Edition (2009)

by Peter Harris, Sue Nagy, Nicholas Vardaxis

achromatic lens /ak' ramat'ik/ [Gk, a, without, chroma, colour; L, lens, lentil], a lens in which the focal lengths for red and blue colours of the spectrum are the same, acicular /asik'yala/ [L, ...

Google previewEncyclopedia of Optical Engineering: Abe-Las, pages 1-1024 (2003)

by Ronald G. Driggers

For example, the refractive and diffractive focal lengths that yield a 100-mm-focal- length achromatic lens in BK7 are /r= 105.3 mm and /d = 2.0 m, respectively. The elimination of a second lens material is an obvious advantage of the hybrid ...

Google previewThe Visual Dictionary of Photography (2009)

by David Prakel

These are called achromatic elements and, depending on the quality of the lens, correct for two colours (an achromatic lens) or three colours (an apochromatic lens). Lateral CA is seen as colour fringes at the edges of an image, as shown in ...

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Achromatic lens Meaning

Video shows what achromatic lens means. A lens generally composed of two separate lenses, one convex and one concave and generally of different materials, ...

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