Photography: Light and Motion on Film. Aldo Tambellini Black Is 1965.

This film was made entirely without the use of a camera. "Working directly on 16mm ... I scratched, perforated, drew,used acid and other substances on the surface of the leader. ... The movement of the projector (30 frames per second) created the animated rhythm of the film. To get down to the essentials: light and motion." (Aldo Tambellini)