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.
The Flip uses a prime lens with four autofocus zones (0.4-0.77m, 0.77-1.03m, 1.03m-1.68m, 1.68m-infinity). PC Magazine, 20 June 2025 Perhaps the most interesting news for fans of the GR camera series is that there will be face and eye detection autofocus tracking, which would seem to mean autofocus has been improved. Julian Chokkattu, Wired News, 31 May 2025 For You Sigma's move for a more basic, straightforward interface extends to the autofocus system. PCMAG, 14 Mar. 2025 Switch back to autofocus and the ring reverts to the function set in the camera. PC Magazine, 8 June 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 9 Jul. 2025.

Last Updated: - Updated example sentences
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