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ISO rating

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ISO rating
n
(Miscellaneous Technologies / Photography) Photog a classification of film speed in which a doubling of the ISO number represents a doubling in sensitivity; for example, ISO 400 film requires half the exposure of ISO 200 under the same conditions. The system uses identical numbers to the obsolete ASA rating
[from International Standards Organization]


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Likewise, digital cameras have an ISO rating indicating their level of sensitivity to light.
This ISO rating is established in over half a million organisations in 159 countries and is based on eight quality management principles, fundamental to good business practices, including customer focus, leadership, involvement of people, process approach, system approach to management, continuous improvement, fact based decision-making, and mutually beneficial supplier relationships.
com ISO Rating Service * * Jersey City, NJ 800-888-4476, www.
 
 
 
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