The 1st AC is the chief assistant to the camera operator. The 1st assistant camera person is in charge of measuring and pulling focus during filming. The 1st AC also threads the film through the camera when a new magazine is loaded. This person also helps setup and build the camera, as well as maintain and clean the camera and lenses. Browse through our production guide below to locate a Colorado based camera assistant (1st AC) working in the film & television industry.