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Autofocus – Wikipe
Source: Autofocus Systems Part I | Exclusive Architecture
An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or …
Understanding Autofocusing Systems – Photo Rev

Source: Autofocus Systems Part I | Exclusive Architecture
Tracking AF keeps the subject in focus as it moves across the field of view, taking data from each sensor the subject passes. Some cameras also provide an auto- …
Understanding Camera Autofocus – Cambridge in Col

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A camera’s autofocus system intelligently adjusts the camera lens to obtain focus on the subject, and can mean the difference between a sharp photo and a …
Understanding AF in the Z Series Mirrorless Cameras | Ni

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The AF System in the Nikon new Z series mirrorless camera is inherently different than what is found in Nikon DSLRs. Why? Well, when using autofocus through …
Digital camera autofocus modes explained – Photography L

There are two types of AF (Autofocus) systems – Active and Passive. The “Active AF” system works by shooting a red …
Focus points in the Nikon autofocus system explained – Nikon

Source: Panasonic GH6 « NEW CAMERA
A camera’s AF system intelligently adjusts the camera lens to obtain focus on the subject. An AF system consists of focus points which can be configured to …
How Focus Works | B&H Expl

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How does it work? Well, the camera commands the focus element of the lens to move while it reads any decrease in the intensity of light on a pixel or group of …
Autofocus (AF) Definition – What is Autofocus (AF) by SLR Lou

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Description: Autofocus (AF) is a focusing system found in modern cameras which can automatically control the optics in a lens to bring a subject into focus.
AF Definition | Canon Austra

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What is AF? The Basics: AF stands for Auto Focus, a feature that allows your camera to focus automatically while shooting. In Canon EOS DSLR cameras …
AF Point Definition | Canon Austra

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Generally speaking, more expensive cameras have a larger number of AF points, which affords the photographer more effective auto-focus capability. A Little More …