*材料:BK7 or(JGS1 JGS2 JGS3)
*尺寸公差:+/-0.20mm to+0.01/-0.01mm
*厚度公差:+/-0.20mm to+/-0.005mm
*表面质量:80-50 to 10-5 Scratch/Dig
*面型:at 632.8nm lambda to lambda/20 per 25mm
*通光孔径:80%--100%
*角精度:3-5 minutes to 3 second
*倒角0.3+/-0.20mm*45degree
*镀膜