技术指标材料A级 BK7尺寸公差+0.0,-0.2mm通光口径>80%角度公差+/-3 arc minutes面形λ/2@633nm光洁度60/40崩边0.2mm to 0.5mm镀膜不镀膜  Part No.A(mm)B(mm)C(mm)DOP1101521.15DOP1102104210DOP1103156415