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
These examples are automatically compiled from online sources to illustrate current usage. Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Image: Canon Canon’s new 3D lens has an aperture range of f/4.0 to f/16, supports autofocus, and features a button and a control wheel for making separate manual focus adjustments to the left and right sides. Andrew Liszewski, The Verge, 30 Oct. 2024 Unlike traditional single autofocus systems, this combination enables the S800 to focus faster and more reliably. Mark Sparrow, Forbes, 30 Oct. 2024 Initial setup is typical for projectors that offer Google TV and automatic setup features like autofocus and keystone adjustment. PCMAG, 27 Oct. 2024 Optical zoom and vertical lens shift, along with autofocus, keystone correction, screen fit and obstacle avoidance, also help make positioning and setup a breeze. New Atlas, 10 Oct. 2024 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

Dictionary Entries Near autofocus

Cite this Entry

“Autofocus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/autofocus. Accessed 18 Nov. 2024.

Last Updated: - Updated example sentences
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