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.
This Logitech camera uses a high-quality glass lens, a 4K image sensor and autofocus to deliver crystal-clear video. Bestreviews, Chicago Tribune, 5 Aug. 2025 Nikon's autofocus system is overall excellent, just shy of the best in class. PC Magazine, 25 July 2025 There's an autofocus rear camera and a selfiecam too – both with 8-megapixel sensors – as well as dual microphones and quad speakers with DTS enhancement. New Atlas, 12 July 2025 Our best for autofocus, the Sony A7R V is on sale for $3200, a massive $1000 reduction from Amazon's listing price. Harry Bennett, Space.com, 11 July 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 19 Aug. 2025.

Last Updated: - Updated example sentences
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