#magnifier  a scientific instrument that magnifies an image
  supertype:  #scientific_instrument  an instrument used by scientists
  subtype:  #microscope  magnifier of the image of small objects; "the invention of the microscope led to the discovery of the cell"
     subtype:  #electron_microscope  a microscope that is similar in purpose to a light microscope but achieves much greater resolving power by using a parallel beam of electrons to illuminate the object instead of a beam of light
        subtype:  #field-emission_microscope  electron microscope used to observe the surface structure of a solid
     subtype:  #light_microscope__lightmicroscope  microscope consisting of an optical instrument that magnifies the image of an object
        subtype:  #binocular_microscope__binocularmicroscope  a light microscope adapted to the use of both eyes
           subtype:  #operating_microscope__operatingmicroscope  binocular microscope used in surgery to provide a clear view of small and inaccessible parts of the body (as in microsurgery)
        subtype:  #compound_microscope  light microscope that has two converging lens systems: the objective and the eyepiece
        subtype:  #simple_microscope__hand_glass__magnifying_glass  light microscope consisting of a single convex lens that is used to produce an enlarged image
           subtype:  #jeweler's_loupe__jeweler'sloupe__loupe  small magnifying glass (usually set in an eyepiece) used by jewelers and horologists
        subtype:  #ultramicroscope__dark-field_microscope  light microscope that uses scattered light to show particles too small to see with ordinary microscopes
  subtype:  #telescope__scope  a magnifier of images of distant objects
     subtype:  #astronomical_telescope  any telescope designed to collect and record electromagnetic radiation from cosmic sources
        subtype:  #optical_telescope__opticaltelescope  an astronomical telescope designed to collect and record light from cosmic sources
           subtype:  #reflecting_telescope__reflector  optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
              subtype:  #Cassegrainian_telescope__Gregorian_telescope  a reflecting telescope that has a paraboloidal primary mirror and a hyperboloidal secondary mirror; light is brought to a focus through an aperture in the center of the primary mirror
              subtype:  #coude_telescope__coudetelescope__coude_system__coudesystem  a reflecting telescope so constructed that the light is led to a plate holder or spectrograph
              subtype:  #Herschelian_telescope__off-axis_reflector  a reflecting telescope with the mirror slightly tilted to throw the image to the side where it can be viewed
              subtype:  #Maksutov_telescope  reflecting telescope in which the aberration of the concave mirror is reduced by a meniscus lens
              subtype:  #Newtonian_telescope__Newtonian_reflector  reflecting telescope in which the image is viewed through an eyepiece perpendicular to main axis
              subtype:  #Schmidt_telescope__Schmidt_camera  reflecting telescope that has plate that corrects for aberration so a wide area of sky can be photographed
           subtype:  #refracting_telescope  optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece
              subtype:  #field_glass__fieldglas__glass__glas__spyglas  a small refracting telescope
              subtype:  #Galilean_telescope  a type of refracting telescope that is no longer used in astronomy
        subtype:  #radio_telescope__radiotelescope__radio_reflector__radioreflector  astronomical telescope that picks up electromagnetic radiations in the radio-frequency range from extra-terrestrial sources
           subtype:  #radio_interferometer__radiointerferometer  radio telescope that uses interference patterns from two antennas instead of a parabolic antenna
     subtype:  #collimator.telescope  a small telescope attached to a large telescope to use in setting the line of the larger one
     subtype:  #solar_telescope__solartelescope  a telescope designed to make observations of the sun
     subtype:  #transit_instrument__transitinstrument  a telescope mounted on an axis running east and west and used to time the transit of a celestial body across the meridian

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