根据凸透镜成像原理
物距(u) u>2f 像距(v)f
摄像机镜头的焦距为50mm,则所成的像到镜头的距离约为? 为什么答案是略大于50mm?
摄像机镜头的焦距为50mm,则所成的像到镜头的距离约为? 为什么答案是略大于50mm?
物理人气：782 ℃时间：2020-03-23 11:08:34
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