K9双凹球面透镜材料:H-K9L设计波长:632.8nm焦距公差:&plu***n;1%外形公差:+0.0/-0.1mm厚度公差:&plu***n;0.1mm面型:λ/4@632.8nm光洁度:40-20偏心:<3'有效孔径:>90%倒边:<0.2×45°镀膜:多层增透膜A:350-650nmB:650-1050nmC:1050-1580nmK9双凹球面透镜(尺寸及镀膜可按用户需求定制)单位(mm)编号(NO.)焦距(EFL)直径(Dia)R1=R2中心厚(Tc)边厚(Te)后焦距(BFL)11D1569R-25.0012.70-26.172.504.10-25.8111D1903R-30.0012.70-31.413.004.30-30.9711D1357R-50.0012.70-52.103.504.30-51.1511D1464R-50.0025.40-52.013.006.10-50.9811D1170R-75.0025.40-77.863.505.60-76.1511D1613R-100.0025.40-103.694.005.60-101.31)