automatic focus


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automatic focus

[¦ȯd·ə¦mad·ik ′fō·kəs]
(optics)
A device in a camera or enlarger which automatically keeps the objective lens in focus through a range of magnification.
References in periodicals archive ?
Sham continued, "The initial expressions of interest received for our automatic focus CCM have exceeded our expectations.
The OV3620 is a complete system-on-a-chip that supports functions such as automatic focus, zooming, panning, mechanical shutter control, automatic exposure control, automatic gain control, automatic white balance, windowing, and black level calibration and is easily programmable through a serial interface.
The system also features 3D tracking with automatic focus point switching that takes advantage of all 51 AF points as it uses color and light information to accurately track the subject.
New features include an automatic focus mechanism with manual override ability, a magnification range that has been broadened to 3.
The Nikon TE2000 Perfect Focus Inverted Research Microscope (PFS) delivers automatic focus correction for the TE2000E2 series of inverted research microscopes.
The Company has also been responsible for a number of world firsts: the first camera with a built-in flash, the first automatic focus (AF) camera, and the first color print paper with a life span of more than 100 years.
First, the automatic focus instantly provides a sharp image without the touch of a button via a distance sensor located in the front of the projector.
The Datacard 860 offers a variety of features designed to make low-volume image capture virtually foolproof, including software-driven capture, exposure selection, automatic focus and full-color image previews before printing cards.
The user can select manual or automatic focus, exposure, shutter and aperture controls or one of three customizable "My Set Modes" including an up-to-15-second night capture mode.

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