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单反相机测光模式是什么意思
更新时间: 2020-07-13 00:00:00  

测光模式,是指测试相机被摄物的反射率的方式,CCD将光讯号传送给数码相机的CPU作分析,CPU会根据被摄物的反射率调整应有的曝光值,专业摄影人士会利用灰阶卡,测光器等实际核对应有的曝光值,目前所有的数码相机测光方式都有以下四种测光模式,透过镜头测光的好处是直接反射所见景物的光线大小,即光线经于镜头投射在CCD上。

关键词: 相机 模式 什么 意思

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