au·​to·​fo·​cus | \ ˈȯ-tō-ˌfō-kəs How to pronounce autofocus (audio) \

Definition of autofocus

: an automatic focusing system (as on a camera)

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Other Words from autofocus

autofocus verb

Examples of autofocus in a Sentence

Recent Examples on the Web

Its autofocus, video capabilities, and subject tracking have all been extensively fine-tuned. Chris Welch, The Verge, "Fujifilm’s new X-T3 mirrorless camera upgrades everything that matters most," 6 Sep. 2018 Look for features like fast start-up and autofocus, high zoom, large sensors, 4k video, and electronic viewfinders. Paige Szmodis, Popular Mechanics, "The 10 Best Compact Digital Cameras for Capturing Your Adventures," 17 Apr. 2019 The front camera has 8 megapixels of resolution and autofocus. Dan Seifert, The Verge, "Samsung Galaxy Note 9 review: more, more, more," 17 Aug. 2018 But digital displays and autofocus are not reasons why the M10-D costs $8,000—you're paying for the camera's relationship between its viewfinder and the lens. Alexander George, Popular Mechanics, "The New Leica M10-D Is Delightfully (and Infuriatingly) Old-School," 6 Nov. 2018 The camera has a 24.3 megapixel sensor with ultra-fast autofocus and shooting. The Good Housekeeping Institute, Good Housekeeping, "Nikon D750 with 24-120mm VR Lens Kit," 7 Nov. 2016 This is the pinnacle of the X-Series so far, improving upon the X-T2 with more advanced autofocus, blazing-fast continuous shooting, and video output that firmly puts it in the same conversation as Sony and Panasonic. Chris Welch, The Verge, "Fujifilm X-T3 review: the do-everything camera," 24 Oct. 2018 Ellis came up in a time before autofocus, auto exposure, auto anything. John Kelly, Washington Post, "In 1936, Washington got a jolt from a photograph of a monumental lightning strike," 23 May 2018 And the rear camera has optical image stabilization and better autofocus. Jacob Kastrenakes, The Verge, "How to choose between Apple’s iPad and iPad Pro," 28 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'autofocus.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of autofocus

circa 1937, in the meaning defined above

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Statistics for autofocus

Last Updated

12 Jul 2019

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Time Traveler for autofocus

The first known use of autofocus was circa 1937

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appealing forcibly to the mind or reason

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