A lock on the Advanced Photo System film cassette that allows unexposed or partially exposed film to be advanced only when the cassette is properly loaded into any of the system's equipment, including cameras and photofinishing devices. Additive printing is a color printing method which produces an image by giving three separate exposures, each filtered to one of the three primary color wavelengths, blue, green and red. Adjustable Camera A camera with manually adjustable settings for distance, lens openings, and shutter speeds. Adjustable-Focus Lens A lens that has adjustable distance settings. Agitation Keeping the developer, stop bath, or fixer in a gentle, uniform motion while processing film or paper.
Agitation helps to speed and achieve even development and prevent spotting or staining.
The available light completely surrounding a subject. Light already existing in an indoor or outdoor setting that is not caused by any illumination supplied by the photographer. Anamorphic lens is a lens capable of compressing a wide angle of view into a standard frame. The area of a scene that a lens covers or sees. Angle of view is determined by the focal length of the lens.