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怎样鉴别镜头是否跑焦

更新时间: 2020-07-06 00:00:00     

1、首先要调整好取景器视差;

2、用一排瓶子,相机与这一排瓶子成30或45度的角度,对准中间略靠前的一个拍照;

3、拍照时一定要有三角架,同时用大光圈,反光板预升,减少震动;

4、检查拍照结果,看与对准的焦距是否一致,若对准瓶子的前一个清楚,就是向前跑,反之,就是向后跑。

关键词: 怎样 鉴别 镜头 是否

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