#reticle__graticule  a network of fine lines, dots, cross hairs, or wires in the focal plane of the eyepiece of an optical instrument
  supertype:  #network__net__meshing__reticulation  an interconnected or intersecting configuration or system of components; "there was a hole in the network where some of the strands were broken"; "he used a copper frame with copper meshing"
  part of:  #eyepiece
  part:  #cross_hair__crosshair__cross_wire__crosswire  either of two fine mutually perpendicular lines that cross in the focus plane of an optical instrument and are use for sighting or calibration; "he had the target in his cross hairs"

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