Meaning Of The Word Film speed

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Film speed Meaning

Film speed Definition
Film speed Definition

What's The Definition Of Film speed?

film speed in American English
noun: the sensitivity of a film or paper to light, measured by an ASA or DIN index, which assigns low numbers to slow film and higher numbers to faster film; speed

film speed in British English
noun: the sensitivity to light of a photographic film, specified in terms of the film's ISO rating

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