Combine multiple photographic film images onto single film.
What does a Lithography Contact Worker do?
Combines multiple photographic film images onto single film to assist in film assembly process for lithographic printing: Aligns negative or positive film image over unexposed film and places film assembly into or on top of vacuum frame. Lowers top of frame or places vinyl sheeting over film and activates vacuum to maintain contact between original and unexposed film. Sets time controls and activates high intensity light source that exposes film to specified amount of time and light. Removes negative or positive and places exposed film in automatic processor that develops image on film.