控制相机曝光的参数主要有三:光圈,快门和 ISO 感光度。

光圈 F 数值越大,进光量越少,光圈越小,虚化效果越小。

F1.2 -1.8 为大光圈,适合拍人像。

F5.6–8 为中等光圈,风光照,集体合照。

F11 以上适合拍风光。

转动模式转换盘选择A挡,然后转动主拨盘,即可调节光圈大小。

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Before you speak, ask yourself how will this land on the other person.

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