What does the acronym ISO stand for (in digital cameras)?
1) “The International Organization for Standardization (Organisation internationale de normalisation), widely known as ISO (pronounced /ˈɑɪsəʊ/), is an international-standard-setting body composed of representatives from various national standards organizations. Founded on 23 February 1947, the organization promulgates world-wide proprietary industrial and commercial standards. It is headquartered in Geneva, Switzerland.” Source and further information: http://en.wikipedia.org/wiki/ISO 2) “Film speed is the measure of a photographic film’s sensitivity to light. Film with lower sensitivity (lower ISO/ASA speed) requires a longer exposure and is thus called a slow film, while stock with higher sensitivity (higher ISO/ASA speed) can shoot the same scene with a shorter exposure and is called a fast film.” “For digital photo cameras (“digital still cameras”), an exposure index (EI) rating—commonly called ISO setti