AUTOFOCUS
autofocus
(noun) an optical device for focussing a camera or other instrument automatically
Source: WordNet® 3.1
Etymology
Noun
autofocus (uncountable)
(electronics, photography) A feature of some cameras and other optical systems that allows a correct focus on the subject to be obtained automatically
Synonyms
• AF
Verb
autofocus (third-person singular simple present autofocusses or autofocuses, present participle autofocussing or autofocusing, simple past and past participle autofocussed or autofocused)
To focus automatically.
Source: Wiktionary