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.
Other useful features include low-light autofocus modes (OM System's Starry Sky AF down to -8EV, Panasonic's Starlight AF), enhanced EVF brightness modes (Nikon's Starlight View) and built-in intervalometers. James Abbott, Space.com, 25 Feb. 2026 Crucially, the base Galaxy S26 models still appear to lack autofocus on the ultrawide lens, ruling out the close-up macro capabilities of the Galaxy S26 Ultra. Paul Monckton, Forbes.com, 20 Feb. 2026 Autofocus Thanks to help from AI, the RX1R’s autofocus is smart and fast. Outside, 14 Jan. 2026 My camera’s sophisticated autofocus kept locking onto her eyes, and she was built for this sort of encounter. Dan Turello, New Yorker, 10 Jan. 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 12 Mar. 2026.

Last Updated: - Updated example sentences
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