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佳能单反怎么手动对焦

更新时间: 2020-11-01 00:00:00     

先在相机的设定菜单里打开自动测距功能,之后选择好对焦点。通常数码相机有多种对焦方式,分别是自动对焦、手动对焦和多重对焦方式。传统相机采取一种类似目测测距的方式实现自动对焦,相机发射一种红外线,根据被摄体的反射确定被摄体的距离,然后根据测得的结果调整镜头组合,实现自动对焦。

关键词: 怎么 手动

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