periscope center

例句：

1. 1.The periscope center is the focal point of the camera system.
   全景照相机中心是相机系统的焦点。
2. 2.The periscope center is responsible for maintaining the camera's focus and stability.
   全景照相机中心负责维护相机的焦点和稳定性。
3. 3.The periscope center is a crucial component of the camera system, ensuring that the image is sharp and clear.
   全景照相机中心是相机系统的关键部件，确保图像清晰锐利。