型号 lo-bs 材质 n-k9l 技术指标: 材料 : ...................................................................................bk7 尺寸公差: .............................................................+0.0, -0.15mm 有效孔径: ..........................................................................>85% 平行度: .............................................................................±10/ 面形: ...................................................................λ/4, @632.8nm 光洁度: ..............................................................................40-20 尺寸: .....................................................................2.0 to 100mm
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