photoelectric auto-collimator

例句：

1. 1.The photoelectric auto-collimator is used to align the camera lens with the optical axis.
   光电自动准直器用于将相机镜头与光轴对齐。
2. 2.The auto-collimator helps to ensure that the light beams are parallel and focused on the target.
   自动准直器有助于确保光束平行且聚焦在目标上。
3. 3.In photography, the photoelectric auto-collimator is crucial for achieving sharp images.
   摄影中，光电自动准直器对于获得清晰图像至关重要。