● Diameter Tolerance:+0.0/-0.1mm
● Thickness Tolerance:±0.1mm
● Surface Accuracy:λ/2
● Parallelism:<3'
● Surface Quality:S1:40-20,S2:Fine Ground
● Clear Aperture:>90%
● Bevelling:<0.2×45°
● Diameter Tolerance:+0.0/-0.1mm
● Thickness Tolerance:±0.1mm
● Surface Accuracy:λ/2
● Parallelism:<3'
● Surface Quality:S1:40-20,S2:Fine Ground
● Clear Aperture:>90%
● Bevelling:<0.2×45°
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