Watch on 123Movies. The concept of “expanded” cinema developed by Export and Peter Weibel involved radical experiments with the filmic apparatus and materialist investigations of the production of illusion. Abstract Film No. 1 is an example of this critical investigation of the technology of image production. A film projector casts light on a mirror with tinted liquids running across it. The actual image appears as a reflection on a screen—or an abstract film. —Christian Kravagna