A basic system feature that makes ordering reprints and enlargementseasy; the small print shows a positive, thumbnail -sized version of everypicture on an Advanced Photo System film roll; accompanies all prints and negativesreturned in the sealed film cassette by the photofinisher; each thumbnail pictureis numbered on the index print to match negative frames inside the cassette.mirglossary
(1)Photograph; (2) Greek for light
Also called a slave unit. A light-sensitive triggering device that is built in or attached to an electronic flash unit, causing the flash to fire simultaneously with another flash unit.
Short for Photograph.