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选摄像头焦距方法
更新时间： 2021-02-04 00:02:52  

1、不论是否真正理解其中的物理学原理，只要记住：焦距越小，所能呈现的视角越广，照射到的范围越大，画面中所呈现物体相对较小。

2、反之，焦距越大，所能呈现的视角越窄，照射到的范围越小，画面中所呈现物体相对较大。

关键词： 摄像头 焦距 方法

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