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佳能单反相机中B门是什么意思
更新时间: 2020-08-17 00:00:00  

佳能单反相机的B门是快门的一个档位

使用B门时,按下快门释放纽快门开启开始暴光,抬起时放开快门释放按钮,快门立即合闭,使用B门要配合三脚架和快门线,作用是减少相机的抖动 和 快门自身开合时的震动,以获得更清晰的画面,B门多数使用在夜景摄影上。

关键词: 相机 什么 意思

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