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怎样测试跑焦
更新时间: 2020-10-31 00:00:00  

跑焦指的是焦点确认后在开启快门的一瞬间,镜头有动作,使焦点改变了原来确定的位置。测试跑焦问题,首先要调整好取景器视差,用一排瓶子,相机与这一排瓶子成30或45度的角度,对准其中一个,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。检查拍照结果,看与对准的焦距是否一致。假如对准的是第4个瓶子,若第3个清楚,那就是向前跑,若第5或更后面的清楚,那就是向后跑。

关键词: 怎样 测试

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