Diameter:12~150mm; Diameter Tolerance: ±0.05mm
Thickness: 0.5mm up; Thickness Tolerance: ±0.05mm
Surface Quality: 40/20 Parallelism: 10 arc seconds
Centration:2 arc minutes Flatness: λ/2 at 632.8nm
Coating: AR coating at 10.6um, T≥99%
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