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the resolving power of a lens

См. также в других словарях:

  • resolving power — The property or capability of a radar set or of photographic equipment to form distinguishable images. In radar, the range resolution is determined by the pulse width, whereas the angular resolution is dependent on the antenna beam width. The… …   Aviation dictionary

  • resolving power — n the ability of an optical system to form distinguishable images of objects separated by small angular distances * * * the ability of the eye or of a lens to make separately visible small objects that are close together, thus revealing the… …   Medical dictionary

  • resolving power — 1. Optics. the ability of an optical device to produce separate images of close objects. 2. Photog. the degree to which a lens or photographic emulsion is able to define the details of an image. [1875 80] * * * …   Universalium

  • resolving power —    The maximum number of distinguishable lines per millimeter that can be recorded by photographic material or by a lens. Not all photographic materials or lenses have the same characteristics in this respect …   Forensic science glossary

  • Photographic lens — A photographic lens (also known as objective lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media… …   Wikipedia

  • power — 1. In optics, the refractive vergence of a lens. 2. In physics and engineering, the rate at which work is done. 3. The exponent of a number or expression that provides the number of times that …   Medical dictionary

  • re|solv|ing power — «rih ZOL vihng», 1. the ability of a lens or optical system to produce separate images of objects that are very close together; resolution: »The device has a resolving power of 600,000 which means it can separate one part in 600,000 (Science News …   Useful english dictionary

  • Numerical aperture — The numerical aperture with respect to a point P depends on the half angle θ of the maximum cone of light that can enter or exit the lens. In optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes… …   Wikipedia

  • Angular resolution — describes the resolving power of any image forming device such as an optical or radio telescope, a microscope, a camera, or an eye. Definition of terms Resolving power is the ability of the components of an imaging device to measure the angular… …   Wikipedia

  • optics — /op tiks/, n. (used with a sing. v.) the branch of physical science that deals with the properties and phenomena of both visible and invisible light and with vision. [1605 15; < ML optica < Gk optiká, n. use of neut. pl. of OPTIKÓS; see OPTIC,… …   Universalium

  • Oil immersion — Principle of immersion microscopy. Path of rays with immersion medium (yellow) (left half) and without (right half). Rays (black) coming from the object (red) at a certain angle and going through the coverslip (orange, as the slide at the bottom) …   Wikipedia

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