autofocus
Học thuậtThân thiện
The photographer relies on the camera's autofocus to capture the sharp image.
Definition
Noun: An optical device or system within a camera or other instrument that automatically adjusts the lens to bring the subject into sharp focus.
Usage
"Autofocus" is used to describe the automatic focusing capability of a device. It functions as a noun, typically as a feature or component. - The camera's autofocus is very fast and accurate. - For this shot, I will switch from manual focus to autofocus.
Advanced Usage
- Autofocus system/sensor: Refers to the specific technology or hardware component that performs the automatic focusing.
- The new model features a hybrid autofocus system with 1053 points.
- To have autofocus: Describes a device possessing this capability.
- Does this microscope have autofocus?
Variants and Related Words
- Autofocusing (adjective/participle): Describing the action or capability of automatically focusing.
- The autofocusing mechanism is silent.
- AF (abbreviation): A common abbreviation for "autofocus," often seen on camera controls and in specifications.
- Set the lens to AF mode.
Synonyms
- Automatic focus: The full descriptive term.
- Self-focusing: A less common synonym emphasizing the autonomous action.
Related Phrases
- Continuous autofocus (AF-C): A mode where the autofocus system continually adjusts to track a moving subject.
- Single autofocus (AF-S): A mode where the autofocus locks focus once when the shutter button is half-pressed.
The photographer relies on the camera's autofocus to capture the sharp image.
Noun
- an optical device for focussing a camera or other instrument automatically