au·​to·​fo·​cus | \ ˈȯ-tō-ˌfō-kəs \

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

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 Google increased the dynamic range and added better autofocus and optical stabilization. Darren Orf, Popular Mechanics, "Pixel 2, Pixelbook, and Home Max—All the Big News From Google's Gadget Event," 4 Oct. 2017 The Cost of a Killer Camera The iPhone 6's camera sounds like a major leap forward, with a new signal processor, phase detection autofocus, improved face recognition, and 240 frames per second slo-mo. Jared Newman, Popular Mechanics, "The Hater's Guide to Apple's New Gear," 10 Sep. 2014 The site is frequently used by tech and consumer publications as an arbiter of camera quality, based on its ratings of things like autofocus, depth effect, and how well a camera performs in natural light versus indoors. Tom Huddleston, Fortune, "Google Says Its New Pixel 2 Phone Has the Highest DxOMark Score. What’s That?," 4 Oct. 2017

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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Time Traveler for autofocus

The first known use of autofocus was circa 1937

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a servile follower or underling

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