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.
Six picture modes tune the output for different content and ambient light, while ToF autofocus and automatic keystone correction handle alignment within a few seconds of pointing it at a surface. New Atlas, 27 May 2026 Highlights for me include the incredibly fast autofocus, which is accurate and intelligent. Paul Brett, Space.com, 15 May 2026 Sony has a slight lead over Canon and Nikon in subject recognition and tracking autofocus, and extends it a teensy bit with the a7R VI. Jim Fisher, PC Magazine, 13 May 2026 Nowhere is this evolution more apparent than in the autofocus system. Robb Rice, Robb Report, 10 May 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 5 Jun. 2026.

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