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恒定光圈怎么调光圈
更新时间: 2020-10-31 00:00:00  

恒定光圈调光圈,可以选择相机的av档,也就是光圈优先,可以手动设置拍摄时的光圈的大小。恒定光圈镜头的意思是无论是在长焦端,还是在广角端,最大光圈值都可以是恒定的。例如24-70mmf/2.8就是恒定光圈镜头,在24mm端和70mm端的最大光圈都恒定为f2.8,在f2.8-f22之间可以调整光圈值。

关键词: 恒定 光圈 怎么

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