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f-stop

American  
[ef-stop] / ˈɛfˌstɒp /
Or f stop

noun

Photography.
  1. the setting of an adjustable lens aperture, as indicated by an f number.


f-stop British  

noun

  1. any of the settings for the f-number of a camera

"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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Example Sentences

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It all came down to mastering three basic functions: f-stop, aperture and shutter speed.

From Washington Post Jan. 4, 2021

The camera had been modified to include special large locks for the film magazines and levers on the f-stop and distance settings on the lenses, for easier use by astronauts wearing pressurized suits and gloves.

From Seattle Times Jul. 14, 2019

Suppose the f-stop setting is and the desired exposure time is seconds.

From Textbooks Feb. 13, 2015

Nor do they necessarily work with an arty collective some of whose members have names like Fre Atlast and f-stop Fitzgerald.

From New York Times Apr. 19, 2010

She learned to articulate her reasons for choosing a specific f-stop, to not only find the settings that made it look right but to explain why it looked right that specific way.

From "Little Fires Everywhere" by Celeste Ng

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