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什么是广角变焦镜头
更新时间: 2020-11-01 00:00:00  

是指焦距范围在10mm至35mm之间(视角在140至63度之间)的可变焦距镜头。广角变焦镜头的特点是景深大,有利于把纵深度大的被摄体都清晰地表现在画面上。按照变焦距范围,摄像机镜头可以分为广角镜头、标准镜头和长焦镜头。焦距是镜头的一个基本特性,它可以决定影像的放大倍数和镜头所摄取的水平视场的大小。

关键词: 什么 广角 镜头

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