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如何理解光圈
更新时间: 2020-10-31 00:00:00  

光圈是一个控制光线透过镜头,进入相机感光面光量的一个装置。光圈开的大,相机感光面的光量就大,照片也就越亮;光圈开的小,相机感光面的光量就小,照片也就越暗。光圈主要有两个作用,分别是影响光量和影响景深。光圈越大,景深越浅,画面背景越模糊。

关键词: 如何 理解 光圈

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