Herschel effect[′hər·shəl i‚fekt]
The reaction whereby a photographic image on silver chloride is destroyed by exposure to red light. Also known as visual Herschel effect.
The reaction whereby a latent photographic image in gelatin emulsion which is not dye-sensitized is destroyed by exposure to red light. Also known as latent Herschel effect.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.