6740-99-617-7510

Photographic Exposure Testing Machine

6740996177510 996177510 2L 7-002 6AA0900

A mechanical device which measures the sensitiveness and other characteristics of a photographic film or plate by producing upon a sensitized surface a known exposure, or a series of known exposures. The correct printing exposure for each scene is measured or determined and/or the scenes may be matched to a uniform density. View more Photographic Exposure Testing Machine