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显微镜的聚光器操作方法

来源:  发布时间:2018-10-18   点击量:764

显微镜的聚光器操作方法

显微镜放大倍数增加时,一方面由于放大倍数越高,透镜数目越多,被透镜吸收的光线也越多;另一方面由于视场(指的是所能看到被检标本的范围)的亮度与放大倍数的平方成反比,即放大倍数越高,视场越暗。为了得到足够的亮度,必须安装聚光器,把光线集中到所要观察的标本上。

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