: a camera lens aperture setting indicated by an f-number

Examples of f-stop in a Sentence

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What sets it apart is the smartphone companion app, which gives you the option to use features like Tripod Mode, Manual Mode, or setting a custom f-stop in Aperture Priority Mode. Boutayna Chokrane, WIRED, 3 Dec. 2024 Sony also has the FE 28mm F2 ($449), which is an older lens with fewer onboard controls than the FE 24mm F2.8 G, but makes up for it with a wider f-stop. PCMAG, 27 Sep. 2024 Resolution starts to drop at smaller f-stops, an unavoidable result of diffraction. PCMAG, 15 July 2024 There are a few manual focus fisheye lenses with more pedestrian f-stops on the market worth a mention. PCMAG, 20 May 2024 There's not much reason to use these f-stops with this particular lens either. PCMAG, 25 Apr. 2024 Image quality remains strong through f/16, but details soften at the smallest f-stops. PCMAG, 28 Mar. 2024 That said, the narrow variable f-stop range limits its use in dim light and the autofocus system isn't consistently accurate. PCMAG, 22 Mar. 2024 The lens does worse at its narrowest apertures (f/16-22), but that is true of any Micro Four Thirds lens since the sensor format is quicker to show the effects of diffraction at narrow f-stops versus full-frame. PCMAG, 6 Feb. 2024

Word History

First Known Use

1946, in the meaning defined above

Time Traveler
The first known use of f-stop was in 1946

Dictionary Entries Near f-stop

Cite this Entry

“F-stop.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/f-stop. Accessed 16 Dec. 2024.

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