quartzlens

例句：

1. 1. The quartz lens isthe main component of the camera lens.
   石英透镜是相机镜头的主要组成部分。
2. 2. The quartz lens has a high refractiveindex, which makes it suitable for usein optical instruments.
   石英透镜具有高折射率，适用于光学仪器。
3. 3. Thequartz lens is usedto focus light onto a screenor other object.
   石英透镜用于将光线聚焦到屏幕上或其他物体上。