#photographic_film__film  photographic material consisting of a base of celluloid covered with a photographic emulsion; used to make negatives or transparencies
  supertype:  #photographic_paper__photographic_material  light-sensitive paper on which photograph can be printed
  subtype:  #footage  the amount of film that has been shot
  subtype:  #microfilm  film on which materials are photographed at greatly reduced size; useful for storage; a magnification system is used to read the material
     subtype:  #microfiche  small sheet of microfilm on which many pages of material have been photographed; a magnification system is used to read the material
  subtype:  #motion-picture_film__movie_film__moviefilm__cine-film  photographic film several hundred feet long and wound on a spool; to be used in a movie camera
     subtype:  #sound_film__soundfilm  motion-picture film with sound effects and dialogue recorded on it
  subtype:  #negative.photographic_film  a piece of photographic film showing an image with black and white tones reversed
  subtype:  #orthochromatic_film  a photographic film sensitive to green and blue and violet light
  subtype:  #panchromatic_film  photographic film sensitive to light of all colors (including red)
  subtype:  #positive  a film showing a photographic image whose tones correspond to those of the original subject
  subtype:  #reel  a roll of photographic film holding a series of frames to be projected by a movie projector
  subtype:  #roll.photographic_film  photographic film rolled up inside a container to protect it from light
  subtype:  #roll_film  photographic film wound on a spool
  subtype:  #sequence.photographic_film__episode  film consisting of a succession of related shots that develop a given subject in a movie
  subtype:  #X-ray_film  photographic film used to make X-ray pictures
     subtype:  #bitewing  a dental X-ray film that can be held in place by the teeth during radiography
  subtype:  #film_clip  a strip of motion picture film used in a telecast

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