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 lens also features a stepping motor (STM) for smooth and quiet autofocus. Harry Bennett, Space.com, 27 Aug. 2025 All three models support multi-zone laser-detection autofocus (LDAF) for quick focusing. PC Magazine, 26 Aug. 2025 The specs line up with the Pixel 9a's cameras, but Google says the Pixel 10 has a more powerful imaging pipeline with the Tensor G5 chip, which should offer better results in color, texture, noise, and autofocus. Julian Chokkattu, Wired News, 20 Aug. 2025 The Vali 1 is also designed to make setup a breeze courtesy of autofocus, auto keystone correction, screen alignment and image resizing to avoid obstacles. New Atlas, 16 Aug. 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 Sep. 2025.

Last Updated: - Updated example sentences
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