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光圈越大越亮吗

更新时间: 2020-10-31 00:00:00     

光圈越大越亮,相机上是用光圈值来表明光圈的大小,光圈值越大表明光圈越小,进光量就越少。黑暗的环境要调大光圈,也就是调成较小的光圈值,增大进光量,所以是变亮。光圈是一个用来控制光线透过镜头,进入机身内感光面光量的装置,它通常是在镜头内。表达光圈大小我们是用F/数值表示。

关键词: 光圈

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