Early cinematographers created ghosts on screen by physically cranking film backward and re-exposing it
Early filmmakers created the first cinematic ghosts by manually cranking cameras backward and re-exposing the film to layer multiple transparent images on a single strip.
The supernatural effects seen in early cinema were the result of physical manipulation of the film strip within the camera. In 1901, Robert W. Paul used his Cinematograph Camera No. 1 to produce 'Scrooge, or Marley's Ghost,' the first film to feature a transparent spirit. By filming a scene, rewinding the film in total darkness, and then re-exposing it with a second subject against a black background, he created a ghostly superimposition.
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