achromatic lens objective造句

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achromatic lens objective The practical potential of Newton's first telescope was made more clear by the end of the 18th century, when the largest reflector had grown to nearly 50 inches aperture ( 126 cm ) while t...
achromatic objective This was especially true in refracting telescopes, before the invention of achromatic objective lenses. The telescope features an achromatic objective, as well as an adjustable brass cap o...
achromatic lens In 1765, he introduced an astronomical instrument fitted with two achromatic lenses. This lens had the largest aperture of its day for an achromatic lens. Had he done so, he would almost c...
ultra achromatic lens Ultra achromatic lens
high magnification objective lens High magnification objective lenses typically have higher numerical apertures ( and so better optical sectioning ) than low magnification objectives.
microscope objective lens In a laboratory environment, a bare fiber end is coupled using a fiber launch system, which uses a microscope objective lens to focus the light down to a fine point. In practice, the most ...
objective lens The diameter of the objective lenses is unimportant for field of view. This would denote 10 times magnification with a 50 mm objective lens. :Not much of an answer but my guess would be th...
objective lens magnification As with a film camera the final magnification is the product of : the objective lens magnification, the camera optics magnification and the enlargement factor. In the case of photographic ...
two-lens objective Two - lens objective
achromatic For an achromatic dispersive lens the converse must be adopted. The'K'component absorbs all wavelengths and is therefore achromatic. The Oschin Schmidt was given an achromatic corrector an...
achromatic aberration Long focus object lens of three color achromatic aberration is one of two posers of optical design , using this method can get a perfect result . compared with pw method , the first result...
achromatic aerial Although there had been very large ( and unwieldy ) Non-achromatic aerial telescopes of the late 17th century, and Chester Moore Hall and others had experimented with small achromatic tele...
achromatic color With W . S . Stiles he also developed mathematical methods to calculate by various methodologies the number of possible metamers for given chromaticities, peaking at the achromatic colors....
achromatic colors With W . S . Stiles he also developed mathematical methods to calculate by various methodologies the number of possible metamers for given chromaticities, peaking at the achromatic colors....
achromatic condenser This is obtained by a wide angled achromatic condenser above the polarizer, and a high power microscopic objective.
achromatic condition With such small sample sizes and low response rates, it is difficult to accurately diagnose the'typical achromatic conditions '.
achromatic correction spacer Achromatic correction spacer
achromatic doublet In practice, the lens will be an achromatic doublet. Most are classical Great refractors, which used achromatic doublets on an equatorial mount. One more potential evolutionary issue is th...
achromatic grey When no color is added, the color is " neutral grey ", " achromatic grey " or simply " grey ".
achromatic interference fringe Achromatic interference fringe
achromatic light This normally black display mode exhibits an excellent contrast ratio , achromatic light transmission , high brightness , low operation voltage and wide viewing angle on the director of pa...
achromatic magnetic mass spectrometer Achromatic magnetic mass spectrometer
achromatic map Document imaging applications - microfilming of achromatic maps on 35mm microfilm
achromatic number For complements of trees, the achromatic number can be computed in polynomial time. The "'achromatic number "'? ( G ) of a graph G is the maximum number of colors possible in any complete ...
achromatic stimulus Hunt defines that " two colors are complementary when it is possible to reproduce the tristimulus values of a specified achromatic stimulus by an additive mixture of these two stimuli . " ...