英语词汇“iso rating”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	iso rating
释义	ISO rating noun 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 Word Origin for ISO rating C20: from I nternational S tandards O rganization Words nearby ISO rating isopterous, Isoptin, isopycnal, isopycnic, isopyre, ISO rating, Isordil, iso-reel, isorhythm, isorhythmic, isorrhea Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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ISO rating