1. automatically adjusts the lens of a camera or other optical device to bring an image into sharp focus
Usage: third person singular present tense of 'autofocus'

Examples

• The camera autofocuses on the subject's face when you press the shutter button halfway.
• Modern smartphones autofocus instantly when you tap the screen.
• The video camera autofocuses continuously as the subject moves.
• This lens autofocuses much faster than the older model.
• The system autofocuses even in low-light conditions.