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d90怎样测光
更新时间: 2020-11-01 00:00:00  

首先要对景物背景进行测光,然后进行AE锁定,然后对背光景物进行测光,大部分的专业或准专业相机都会自动分析,并用闪光灯为背光物体进行补光。然后使用多点测光计算出最后的曝光量。

数码相机的测光系统一般是测定被摄对象反射回来的光亮度,也称之为反射式测光。测光方式按测光元件的安放位置不同一般可分为外测光和内测光两种方式。

关键词: d90 怎样

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