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.
Even with some ambient light, the picture quality is great, and the autofocus ensures a sharp image every time. Shubham Yewale, PCMAG, 5 Mar. 2025 On the photo side there's faster autofocus and some improved subject tracking algorithms for people, animals (dogs, cats, birds), cars, bikes (and motorcycles), trains and airplanes. Julian Chokkattu, WIRED, 1 Mar. 2025 There's quicker autofocus to look forward to, with phase-detect AF and AI assistance to tackle a range of moving subjects including animals and vehicles. New Atlas, 1 Mar. 2025 The iPhone 3Gs featured a 3-megapixel autofocus camera. Ramon Padilla, USA TODAY, 21 Feb. 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 12 Mar. 2025.

Last Updated: - Updated example sentences
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