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′（3″亦可）面形λ/4@633nm光洁度60/40 (20/10亦可)崩边0.2mm to 0.5mm  Part No.A(mm)B(mm)C(mm)φRHP11013.53.56.345°RHP110210.010.014.245°RHP110315.015.021.245°