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Flat Dielectirc Reflection Mirrors Material:BK7
Dimension Tolerance:+0.0/-0.1mm
Thickness Tolerance:±0.1mm
Surface Accuracy:?/4@632.8nm
Surface Quality:S1:40-20,S2:Fine Ground
Parallelism:<1'
Clear Aperture:>90%
Bevelling:<0.2×45°
Coating:Coating Spec
