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.
Focusing is via ultra-fast Dual All-Pixel PDAF autofocus, which responds rapidly to live demos and sudden movements for cinematic video quality that can even give full-sized dedicated cameras a run for their money. Mark Sparrow, Forbes.com, 28 Jan. 2026 Autofocus Thanks to help from AI, the RX1R’s autofocus is smart and fast. Outside, 14 Jan. 2026 My camera’s sophisticated autofocus kept locking onto her eyes, and she was built for this sort of encounter. Dan Turello, New Yorker, 10 Jan. 2026 The company's autofocus glasses are currently in the final stages of development before their official launch. Maryna Holovnova, New Atlas, 6 Dec. 2025 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 4 Feb. 2026.

Last Updated: - Updated example sentences
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