滤光片
滤光片尺寸说明如下:
材料:滤光片玻璃，BK7或者其他光学材料
尺寸: 4mm-160mm - 0.20mm
Squares/Rectangles:1mm-165mm
厚度:0.5mm-4mm
厚度公差:+/-0.01mm-0.1mm
平行度: 3弧分
Edges:Fine
基地面型:Lambda/10
光洁度: 80/50-20/10
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