Standard Lemma guide

autofocus

noun · verb · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

A feature of some cameras and other optical systems that allows a correct focus on the subject to be obtained automatically

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: arts, business, electrical-engineering, electricity, electromagnetism, electronics, energy, engineering, hobbies, lifestyle, natural-sciences, photography, physical-sciences, physics

Examples

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

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The automatic setting of the focus on an input element.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: computing, engineering, graphical-user-interface, mathematics, natural-sciences, physical-sciences, sciences

Examples

  • 2013, Jon Raasch, JavaScript Programming: Pushing the Limits Once the polyfill kicks in, it hijacks the user's input cursor and places it into a different field, a problem that does not exist in the native implementation of autofocus.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

verb

Meaning 3

To focus automatically.

Definition source: English Wiktionary via Wiktextract

Examples

  • My camera makes a funny sound when it autofocuses.
  • The camera was autofocused before the picture was taken.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

an optical device for focussing a camera or other instrument automatically

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: optical device

History

Etymology

From auto- + focus.

Across languages

Translations

12 source translations are retained for this English entry.

  • Danish: autofokus — automatic focus
  • German: Autofokus — automatic focus
  • Hungarian: autofókusz — automatic focus
  • Japanese: オートフォーカス (ōtofōkasu) — automatic focus
  • Japanese: 自動焦点 (jidō shōten) — automatic focus
  • Norwegian Bokmål: autofokus — automatic focus
  • Norwegian Nynorsk: autofokus — automatic focus
  • Polish: autofocus — automatic focus
  • Polish: autofokus — automatic focus
  • Portuguese: autofoco — automatic focus
  • Spanish: autofoco — automatic focus
  • Swedish: autofokus — automatic focus
Real reading context

autofocus in complete knowledge articles