long wavelength pass optical filter

例句：

1. 1. The long-wavelength pass optical filter is used in the telescope to reduce interference from background light.
   长波长透过光学滤波器用于望远镜中，以减少背景光的干扰。
2. 2.In this experiment, we used a long-wavelength pass optical filter to separate the two colors of light.
   在这个实验中，我们使用了长波长透过光学滤波器来分离两种颜色的光。
3. 3. The long-wavelength pass optical filter is crucial for maintaining the quality of the image captured by the camera.
   长波长透过光学滤波器对于保持相机捕获图像的质量至关重要。