- achromatic objective
- s.objetivo acromático.
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achromatic objective — achromatinis objektyvas statusas T sritis fizika atitikmenys: angl. achromat; achromatic lens; achromatic objective vok. Achromat, m; achromatisches Objektiv, n rus. ахромат, m; ахроматический объектив, m pranc. achromat, m; objectif achromatique … Fizikos terminų žodynas
achromatic objective — a microscope objective in which the chromatic aberration is corrected for two colors and the spherical aberration is corrected for one color … Medical dictionary
Non-achromatic objective — A non achromatic objective is an objective lens which is not corrected for chromatic aberration. In telescopes they can a be pre 18th century simple single element objective lenses which were used before the invention of doublet achromatic lenses … Wikipedia
Achromatic telescope — The achromatic telescope is a refracting telescope that uses an achromatic lens to correct for chromatic aberration. How it worksWhen an image passes through a lens, the light is diffracted at different angles for different wavelengths. This… … Wikipedia
achromatic lens — achromatinis objektyvas statusas T sritis fizika atitikmenys: angl. achromat; achromatic lens; achromatic objective vok. Achromat, m; achromatisches Objektiv, n rus. ахромат, m; ахроматический объектив, m pranc. achromat, m; objectif achromatique … Fizikos terminų žodynas
Objective — In a microscope, the objective (also called the objective lens) is the lens nearest to the object being examined whereas the lens closest to the eye is termed the ocular (the eyepiece). The light microscope today is usually binocular (with one… … Medical dictionary
objective — Synonyms and related words: achromatic lens, affectless, aim, ambition, anesthetized, animus, appetence, appetency, appetite, arctic, aspiration, astigmatic lens, autistic, bauble, bibelot, blunt, burning glass, butt, by end, by purpose, camera,… … Moby Thesaurus
History of the telescope — The earliest known working telescopes appeared in 1608 and are credited to Hans Lippershey and Zacharias Janssen, spectacle makers in Middelburg, and Jacob Metius of Alkmaar. The design of these early refracting telescopes consisted of a convex… … Wikipedia
Joseph Petzval — ( de. Josef Maximilian Petzval; hu. Petzvál József Miksa; sk. Jozef Maximilián Petzval) (January 6, 1807 ndash; September 19, 1891) was a mathematician, inventor, and physicist best known for his work in optics. Petzval studied and later lectured … Wikipedia
History of Medicine — History of Medicine † Catholic Encyclopedia ► History of Medicine The history of medical science, considered as a part of the general history of civilization, should logically begin in Mesopotamia, where tradition and philological… … Catholic encyclopedia
achromat — A person exhibiting achromatopsia. [G. a priv. + chroma, color] * * * ach·ro·mat ak rə .mat n ACHROMATIC LENS * * * achro·mat (akґro mat) [a 1 + chromat] an 1. achromatic objective. 2. monochromat … Medical dictionary