collimator viewfinder

例句：

1. 1. The collimator is used to align the beam of light.
   准直器用于对准光束。
2. 2. The collimator was designed to reduce distortion in the image.
   该准直器设计用来减少图像的畸变。
3. 3. The collimator is essential for maintaining the accuracy of the measurement.
   准直器对于保持测量的准确性至关重要。
4. 1. The viewfinder on the camera is a small window that shows the scene in front of the lens.
   相机上的取景器是一个小窗口，显示镜头前的场景。
5. 2. The viewfinder helps the photographer to frame their shot.
   取景器帮助摄影师构图。
6. 3. The viewfinder is a crucial component of any digital camera.
   取景器是任何数码相机的关键部件。