价格:未填
供应:99999
发货:3天内
技术要求:材料:..........................................................................光学玻璃外径公差:.............................................................+0.0,-0.2mm厚度公差:.................................................................. 0.1mm有效孔径:......................................................................... 90%光洁度:............................................................................40-20面形:................................................................. /4,@632.8nm平行度:............................................................................ 30 尺寸 ( ):......................................................2.0mm 至100mm镀膜:......................................................R 99.8%,R=(Rs+Rp)/2