the magnifying capacity of a microscope, telescope, etc., expressed as the ratio of the diameter of the image to the diameter of the object.Comparemagnification(def2). the reciprocal of the focal length of a lens. verb (used with object) ...
10. A measure of the magnification of an optical instrument, such as a microscope or telescope. 11. Chiefly Upper Southern US A large number or amount. See Note at powerful. 12. Archaic An armed force. adj. 1. Of or relating to political, social, or economic control: a power struggle...
the magnifying capacity of a microscope, telescope, etc., expressed as the ratio of the diameter of the image to the diameter of the object. Cf.magnification(def. 2). the reciprocal of the focal length of a lens. Idiomsthe powers that be, those in supreme command; ...
Microscope lenses for lower-power magnificationdoi:US2822728 ABERNHARDT HEINZUSUS2822728 * 1956年6月21日 1958年2月11日 Zeiss Jena Veb Carl Microscope lenses for lower-power magnification
Soften the leaves by soaking in hot water, unroll carefully and examine with a hand lens or low power of the microscope. FromProject Gutenberg Actually, the best examination is by low-power magnification under the proper lighting. FromProject Gutenberg ...
The magnification of a microscope is determined in a similar way as for the loupe. Essentially, one compares the perceived image size between two situations: for observation through the microscope and for direct viewing without that instrument – in the latter case, again in a standard distance ...
1.definition of a lens; in a microscope objective lens it is calculated by dividing the wavelength of the light used by twice the numeric aperture of the objective. See also:definition. 2.analogies to other modalities, for example, two-point discrimination in neurologic examination. Commonly misi...
13. (General Physics) Also called: field of view the area within which an object may be observed with a telescope, microscope, etc 14. (General Physics) physics a. See field of force b. a region of space that is a vector field c. a region of space under the influence of some sca...
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Pocket Microscope with Scale LED Lamp High Power Magnifier for Textile Stamp Identification US$5.76 6-239 Pieces US$5.36 240-719 Pieces US$4.67 720-1,199 Pieces US$3.96 1,200+ Pieces Product Details Customization: Available Magnification: 100-500...