film vs optic

film

noun
  • A medium used to capture images in a camera. 

  • A slender thread, such as that of a cobweb. 

  • A visual art form that consists of a sequence of still images preserved on a recording medium to give the illusion of motion; movies generally. 

  • A thin layer of some substance; a pellicle; a membranous covering, causing opacity. 

verb
  • To cover or become covered with a thin skin or pellicle. 

  • To visually record (activity, or a motion picture) in general, with or without sound. 

  • To record (activity, or a motion picture) on photographic film. 

optic

noun
  • A lens or other part of an optical instrument that interacts with light. 

  • A measuring device with a small window, attached to an upside-down bottle, used to dispense alcoholic drinks in a bar. 

adj
  • Of, or relating to the eye or to vision. 

  • Of, or relating to optics or optical instruments. 

How often have the words film and optic occurred in a corpus of books? (source: Google Ngram Viewer )