Examples of focal length in a Sentence
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Shutter speeds typically range from 10 to 25 seconds when using wide-angle lenses, depending on focal length (longer lenses require shorter exposures to avoid star trailing).
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Jamie Carter, Space.com, 10 Mar. 2026
There aren't any first-party Canon options that achieve the same blurred look at this focal length, but Fujifilm system owners should consider spending more on the XF 16mm F1.4, and Sony photogs can get the E 15mm F1.4 G; both draw cleaner backgrounds but cost more.
—Jim Fisher, PC Magazine, 4 Mar. 2026
The notes in the margins of that shooting script are full of lens focal lengths, camera angles, and distances that were key to the compositions of shots.
—Sarah Shachat, IndieWire, 28 Feb. 2026
That effect can bring a sense of depth to images, but seeing a full picture clearly typically requires you to combine multiple photographs that were shot at different focal lengths.
—Jess Weatherbed, The Verge, 29 Dec. 2025
See All Example Sentences for focal length
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Jamie Carter, Space.com, 10 Mar. 2026
There aren't any first-party Canon options that achieve the same blurred look at this focal length, but Fujifilm system owners should consider spending more on the XF 16mm F1.4, and Sony photogs can get the E 15mm F1.4 G; both draw cleaner backgrounds but cost more.
—Jim Fisher, PC Magazine, 4 Mar. 2026
The notes in the margins of that shooting script are full of lens focal lengths, camera angles, and distances that were key to the compositions of shots.
—Sarah Shachat, IndieWire, 28 Feb. 2026
That effect can bring a sense of depth to images, but seeing a full picture clearly typically requires you to combine multiple photographs that were shot at different focal lengths.
—Jess Weatherbed, The Verge, 29 Dec. 2025
See All Example Sentences for focal length
Cite this Entry
“Focal length.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/focal%20length. Accessed 13 Mar. 2026.
Copy CitationMedical Definition
focal length
noun
: the distance of a focus from the surface of a lens or concave mirror
—symbol f
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