#reflecting_telescope__reflector  optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece
  supertype:  #optical_telescope__opticaltelescope  an astronomical telescope designed to collect and record light from cosmic sources
  part:  #parabolic_mirror
  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

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