: a camera lens aperture setting indicated by an f-number
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All camera lenses lose some detail at very narrow f-stops, a result of optical diffraction.—PC Magazine, 9 Sep. 2025 Silent control appeals to videographers who may need to change the f-stop when recording.—PCMAG, 12 Mar. 2025 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 Xiaomi This is still a tiny phone camera lens, though, so the f-stop range is very small, just f1.63 to f4.0.—Ron Amadeo, Ars Technica, 28 Feb. 2024
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