小球透镜
专业生产各种小球透镜。
小球透镜的尺寸说明如下：
材料: BK7, LaSFN9 或其他光学玻璃
球整度: /4 at 633nm
表面质量: 20-10
直径: 1m
镀膜（可选):每面平均 R<1.5% , 400-700nm 在0度入射角
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