平行光管的调节与应用
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平行光管的调节与应用. 一、基本知识及应用. 二、学习要点. ( 1 ) 了解平行光管的结构、原理,掌握平行光管的调节方法 ;. ( 2 ) 掌握用平行光管法测定透镜焦距、分辨率的原理和测试技术 ;. ( 3 ) 学会简单光路的共轴调节技术 ;. 三、测量原理. 实验光路图:. 高度为的 y 物体,置于物镜 O 1 的焦平面上,则 y 的光线经 O 1 会聚后成为平行光线,平行光线经待测透镜 O 2 后成为会聚光线,其会聚点在 O 2 的焦平面上,即成像在焦平面上。.
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平行光管的调节与应用
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