技術(shù)要求:材料:..........................................................................光學(xué)玻璃外徑公差:.............................................................+0.0,-0.2mm厚度公差:.................................................................. 0.1mm有效孔徑:......................................................................... 90%光潔度:............................................................................40-20面形:................................................................. /4,@632.8nm平行度:............................................................................ 30 尺寸 ( ):......................................................2.0mm 至100mm鍍膜:......................................................R 99.8%,R=(Rs+Rp)/2