convergent lens
英
美
- 聚光镜
双语例句
- The condenser is equipped with an iris diaphragm, a shutter controlled by a lever which is used to regulate the amount of light entering the lens system.
聚光镜装配有瞳孔膜，那是一个有贡杆控制的快门，用来调节进入镜头系统的光量。 - The focal length of the conelensing lens should be such that the image of the source just fills the projecting lens.
聚光透镜的焦距应使光源的像正好照满放映透镜。 - It's an easy matter to observe chromatic aberrations, with a thick, simple converging lens.
用一厚的简单会聚透镜很容易观察色差。
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