ED超低色散镜片，大大地提高了望远镜的色彩对比度和清晰度；每个棱镜上多达60层精细涂层，大大地提高了棱镜的通光率。超高级别防水防雾，同时在昏暗的光线下，消除色差和边缘色散，从而能够看到清洗明亮的图像。
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