Changchun Better Optics Co., Ltd.
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Specification |
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Diameter |
1-20mm |
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Length |
2-100mm |
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Dimension Tolerance |
+0/-0.1mm |
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Thickness Tolerance |
+/-0.15mm |
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Focal length Tolerance |
+/-2%mm |
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Centration |
<3′ |
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Bevel |
0.2mm-0/+0.2X45° |
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Surface Quality |
60/40 |
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Surface Flatness |
lambda/4@633nm |
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Clear Aperture |
>90% |
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Material |
Optical glass, quartz, calcium fluoride, Znse, sapphire, silicon and etc. |
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Coating |
Specified by Customers |
For more info, please visit http://www.betteroptics1.com