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测光表怎样使用
更新时间: 2020-11-01 00:00:00  

测光表使用可以机位测光法,机位测光法是在景物亮度分布较均匀的情况下,测光表同位于照相机取景方向对被摄体进行测光,所获得的亮度值是景物反射光的平均光值,依据这个亮度值来确定曝光,能较好地表现整个画面的影调。此法常用于拍摄远景或全景风光片。采用机位测光法,应注意景物亮度的分布,使测量范围内的景物明暗有适当的比例。测光表的感应窗应对着主体物,避开亮度很亮的天空或反光很强的水面,否则测光表指数偏高,而实际曝光偏低,容易造成底片曝光不足。

关键词: 怎样 使用

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