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film speed

American  

noun

Photography.
  1. speed.


film speed British  

noun

  1. the sensitivity to light of a photographic film, specified in terms of the film's ISO rating

  2. the rate at which the film passes through a motion picture camera or projector

"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

Etymology

Origin of film speed

First recorded in 1910–15

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“My job was to come up with songs and cheap ways of filming them. I said, ‘Why don’t we do something like ‘A Hard Day’s Night’? Black-and-white film, speed it up, very simple.

From Los Angeles Times • Dec. 30, 2019

During a clip of Presley’s first TV performance on Tommy and Jimmy Dorsey’s “Stage Show,” Zimny slows the film speed and the song is replaced by a divine interlude.

From Washington Post • Apr. 13, 2018

These can range from aging film, film speed, light, the developing process and, most obviously, the limited number of exposures.

From Washington Times • Jul. 16, 2017

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