autofocus

Lens adjusts itself

Autofocus is a camera system that automatically adjusts the lens to bring subjects into sharp focus, freeing the photographer from manual focusing.

Most modern cameras and smartphones use autofocus by default.

The term also works as a verb: The camera autofocused on her face.

As an adjective: an autofocus lens.

cameras

DSLR

Mirror-reflex digital camera

digicam · minicam · smartphone · point-and-shoot · gimbal · viewfinder · sensor · lens · body

mechanism

servo

Self-regulating motor

  • motorEnergy-to-motion converter
  • actuatorDevice producing controlled motion
  • sensorInput-detecting device

algorithm · hybrid · ultrasonic · stepper · piezoelectric · firmware · calibration · feedback · microprocessor

photography

aperture

Adjustable optical inlet

bokeh · composition · portrait · macro · low-light · tracking

sharpness

blur

Lack of sharpness

clarity · resolution · detail · edge · fidelity · refinement · contrast · sharpening

performance

speed

Rate of motion

lock-on · responsiveness · reliability · detection · continuous · predictive · lag

convenience

hands-free

Operable without holding

quick · intuitive · reliable · accessible · beginner-friendly · streamlined · hassle-free

Categories
Opposites
control method

autofocusmanual focus

User-controlled lens sharpness

manual adjustment · manual · focus ring · rack focus

technological sophistication

autofocussoft focus

Deliberately blurred image technique

automation level

autofocusmanual

Written instructions for use

manual control · hands-on · analog control

Phrases
Family

autofocusing, autofocuses, autofocused

Familiarity
Top 100,000
Profile
Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G