Autofocus definition

ôtōfōkəs, ätōfōkəs
Frequency:
(electronics) A feature of some cameras and other optical systems that allows a correct focus on the subject to be obtained automatically.

This camera has autofocus, so it's more expensive.

noun
2
1
To focus automatically.

My camera makes a funny sound when it autofocuses.

The camera was autofocused before the picture was taken.

verb
1
1
A feature of all digital cameras that automatically aligns the lens to make the subject in the image sharp (in focus). Pressing the shutter button halfway down generally displays a rectangle in the viewing screen indicating where the camera has identified the subject. See focal length.
3
4
A device that focuses a lens, camera, etc. automatically.
noun
2
4
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Origin of autofocus

  • auto- +‎ focus

    From Wiktionary