#photographic_camera__camera  photographic equipment consisting of a lightproof box with a lens at one end and light-sensitive film at the other
  supertype:  photographic_equipment  equipment used by a photographer
  subtype:  box_camera  candid_camera  flash_camera  motion-picture_camera  Polaroid_camera  portrait_camera  reflex_camera
  part:  aperture  a device that controls amount of light admitted
  part:  camera_lens__optical_lens  a lens that focuses the image in a camera
  part:  delayed_action__delayedaction  a mechanism that automatically delays the release of a camera shutter for a fixed period of time so that the photographer can appear in the picture
  part:  diaphragm.mechanical_device__stop  a mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm automatically"
  part:  view_finder__finder  optical device that helps a user to find the target of interest
  part:  magazine.supply_chamber__cartridge  a light-tight supply chamber holding the film and supplying it for exposure as required
  part:  shutter.mechanical_device  a mechanical device on a camera that opens and closes to control the time of a photographic exposure
  part:  sprocket  roller that has teeth on the rims to pull film or paper through

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