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URL: https://www.merriam-webster.com/dictionary/autofocus

โ‡ฑ AUTOFOCUS Definition & Meaning - Merriam-Webster


autofocus

noun

: 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. โ€”๐Ÿ‘ Image
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. โ€”๐Ÿ‘ Image
Paul Monckton, Forbes.com, 20 Feb. 2026
Autofocus Thanks to help from AI, the RX1Rโ€™s autofocus is smart and fast. โ€”๐Ÿ‘ Image
Outside, 14 Jan. 2026
My cameraโ€™s sophisticated autofocus kept locking onto her eyes, and she was built for this sort of encounter. โ€”๐Ÿ‘ Image
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

โ€œAutofocus.โ€ Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/autofocus. Accessed 7 Apr. 2026.

Last Updated: - Updated example sentences
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