slot lens

例句：

1. 1. The new slot lens in the camera is much sharper than before.
   相机中的新插槽镜头比以前更锐利。
2. 2.The photographer used a slot lens to capture the perfect shot.
   摄影师使用了插槽镜头来捕捉完美的镜头。
3. 3.The scientist developed a slot lens that could focus light over a wide range of angles.
   科学家开发了一种插槽镜头，可以在一定范围内聚焦光线。