价格:未填
供应:99999
发货:3天内
技术指标材料:............................................................................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