更新时间：2018-06-07 11:37 免费会员
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Specifications:
Diameter Tolerance: + 0/-0.1 mm
Thickness Tolerance: ± 0.1 mm
Surface Quality: 60-40
Surface Flatness: λ @633 nm
Centration: < 3 arc minutes
Clear Aperture: > 80%
Diameter Tolerance: + 0/-0.1 mm
Thickness Tolerance: ± 0.1 mm
Surface Quality: 60-40
Surface Flatness: λ @633 nm
Centration: < 3 arc minutes
Clear Aperture: > 80%
