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Condenser
Film: Lens which collects and directs light through both gate and lens.1 A simple lens system that concentrates light in a beam. Used in printing machines.
Audio: A type of microphone which uses the movement of a diaphragm between two charged plates to produce an electrical output.
Historical name for capacitor.
References
1 Case, D., 1985, Motion Picture Film Processing, Media Manuals, Focal Press, London, Boston
The National Film and Sound Archive of Australia acknowledges Australia’s Aboriginal and Torres Strait Islander peoples as the Traditional Custodians of the land on which we work and live and gives respect to their Elders both past and present.