#view_finder__finder  optical device that helps a user to find the target of interest
  supertype:  optical_device__opticaldevice  a device for producing or controlling light
  part of:  photographic_camera__camera  photographic equipment consisting of a lightproof box with a lens at one end and light-sensitive film at the other
  part of:  gunsight  a sight used for aiming a gun
     part of:  gun  a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
  part of:  telescope__scope  a magnifier of images of distant objects

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