四棱锥反射镜  英文：Pyramidmirrors

　　材料/Material:BK7/H-K9L

　　外形公差/DiameterTolerance:±0.05mm

　　角度公差/AngularTolerance:±3'

　　面型/Facetype:λ/10@632.8nm

　　光洁度/SurfaceQuality:40-20

　　有效孔径/ClearAperture:>90%

　　倒边/Bevelling:<0.2×45°

　　镀膜/Coating:CustomDesign