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单词 automatic focus
释义

automatic focus


automatic focus

n (Photography) a. a system in a camera which automatically adjusts the lens so that the object being photographed is in focus, often one using infrared light to estimate the distance of the object from the camerab. (as modifier): automatic-focus lens.

automatic focus


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.
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更新时间:2024/12/23 18:57:08