Meaning Of The Word ISO rating

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  4. ISO rating

What's the definition of ISO rating? Find ISO rating meanings, definitions and more at the Real Dictionary online.

ISO rating Meaning

ISO rating Definition
ISO rating Definition

What's The Definition Of ISO rating?

ISO rating in British English
noun: 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 rat

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