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Definition of the noun achromat
What does achromat mean as a name of something?
noun - plural: achromats
- A lens that imparts little color; a lens that is achromatic.
Printed dictionaries and other books with definitions for achromat
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by R. W. Argyle
What all of this amounts to in practice is that a reasonably well-made Fraunhofer achromat is a hugely more robust instrument than a typical reflector in the face of the thermal variations, mechanical flexure and shifting collimation which ...
by Kenneth Kuan-yun Kuo, Ragini Acharya
(An achromat is a lens that can bring two wavelengths into focus in the same plane). The f/4 lens matches the entrance aperture of an imaging spectrometer ( SPEX 270M), which is fitted with a custom-built high-speed rotating mechanical ...
Night Vision (1990)
Basic, Clinical and Applied Aspects by R. F. Hess, K. Nordby, L. T. Sharpe
Thus the achromat is a functional rod monochromat and provides an excellent model of normal rod function where it is most difficult to isolate in the Duplex retina, namely under mesopic and suprathreshold conditions. The data from the ...
To Measure the Sky (2010)
An Introduction to Observational Astronomy by Frederick R. Chromey
An achromat is a lens whose focal length is the same at two different wavelengths. The first useful achromats, doublets of crown (convex lens) and flint (concave lens) glass, began to appear in the 1760s in France and England, an appearance ...
Visual Perspectives of Uterine Anatomy, Physiology and Pathology by Michael S. Baggish, Rafael F. Valle, Hubert Guedj
An achromat is a two-lens optical component, color-corrected and generally cemented together. These have been largely replaced by the rod-lens system ( Fig. 9.19). FIGURE 9.16 □ Visible or white light ranges from blue through green and ...
Surveying Instruments (1982)
by Fritz Deumlich
An achromatic lens system (achromat is a compound lens of one lens each of flint - and crown glass, figure 102) is nearly free of chromatic aberration. It can be completely free of it only for two spectral colours, e.g. for red and blue. For the other ...
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 ...
by C. R. Kitchin
achromat. eyepiece. See Kellner eyepiece. modified. English. mounting . A design of equatorial mounting for a telescope in which a rigid spar is supported on pivots at each end to provide the polar axis. The telescope is mounted to ...
Containing Over 2,000 References and 500 Illustrations by Walter E. Woodbury
There is no occasion for the mere amateur to spend a small fortune on the high- priced apochromats, since almost any first-class achromat of reputable American or English make will do the business as well, even though not especially ...
Firefly Astronomy Dictionary (2003)
by John Woodruff
ACHROMATIC LENS (ACHROMAT) -4 active optics The active optics actuators on the reverse of the primary mirror of the WIYN telescope at Kitt Peak National Observatory allow the mirror to be flexed continually to compensate for the effects ...
by Jogindra Singh
by Clarence T. Jones, S. Percy Jones
achromat: A compound lens corrected to have the ...
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Video about achromat
Video shows what achromat means. A lens that imparts little color, a lens that is achromatic.. Achromat Meaning. How to pronounce, definition audio dictionary.
Scrabble value of A1C3H4R1O1M3A1T1
The value of this 8-letter word is 15 points. It is included in the first and second editions of the Official Scrabble Players Dictionary.
Anagrams of ACHROMAT
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