材料: BK7, B270

尺寸: 15-40mm＋0.0/－0.1mm

厚度公差:1-4mm,±0.1mm

面形S：λ/10 ~λ/2

光洁度:10/5-60/40

通光孔径:  ＞90%

倒边:  ＜0.2mm*4.5°

镀膜:  AR Coating or Customer Design