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[aw-toh-foh-kuh s] /ˈɔ toʊˌfoʊ kəs/
having the ability to focus automatically:
an autofocus lens; an autofocus camera.
such an ability.
Origin of autofocus
1955-60; auto-3 + focus Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for autofocus
  • High-quality cameras all employ the same basic system for automatic focusing, known as phase-detection autofocus.
  • Even the best lenses and cameras struggle to autofocus on fast action in low light.
  • It doesn't focus on the entire scene, only the portion of the scene in the autofocus box.
  • Keep your camera set on auto-exposure and autofocus.
  • The new camera technology allows me to have critical autofocus.
  • Some autofocus mechanisms are thrown off by polarizing filters.
  • They identify boxes where faces are likely to be, and then tell the autofocus system what part of the photo needs to be in focus.
  • Changes in cameras and photography are often incremental: a faster autofocus, a smaller body, a better sensor.
  • autofocus is generally successful when the above techniques are used.
  • The camera has been preset to use autofocus during the taking of images.
British Dictionary definitions for autofocus


another name for automatic focus
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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