autofocus

noun

au·​to·​fo·​cus ˈȯ-tō-ˌfō-kəs How to pronounce autofocus (audio)
: an automatic focusing system (as on a camera)
autofocus verb

Examples of autofocus in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Nowhere is this evolution more apparent than in the autofocus system. Robb Rice, Robb Report, 10 May 2026 Contemporaneous reviews note its limited camera function: no flash, no autofocus, poor performance under low light. Dennis Lim, The New York Review of Books, 25 Apr. 2026 The result is sharp focus across the frame without the need for an autofocus lens, but with relatively poor low-light performance that relies on a powerful flash. Paul Monckton, Forbes.com, 22 Apr. 2026 The camera supports a snappy 10fps capture rate with focus fixed after the first frame, or at 6fps with autofocus for every image. Jim Fisher, PC Magazine, 14 Apr. 2026 See All Example Sentences for autofocus

Word History

Etymology

auto- + focus entry 2

First Known Use

circa 1937, in the meaning defined above

Time Traveler
The first known use of autofocus was circa 1937

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Cite this Entry

“Autofocus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/autofocus. Accessed 13 May. 2026.

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