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.
Onboard autofocus and included keystone correction should also help with setup on the go, whether that's watching movies at camp, sharing blueprints with colleagues on site, giving a presentation from the back of a pickup truck or enjoying the latest viral cat video at a friend's house. New Atlas, 12 Sep. 2025 The autofocus is fast and reliable, and low-light shots come out clean without drowning in grain. PC Magazine, 11 Sep. 2025 The lens also features a stepping motor (STM) for smooth and quiet autofocus. Harry Bennett, Space.com, 27 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 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 16 Sep. 2025.

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