Material:BK7
Diameter Tolerance:+0.0/-0.1mm
Thickness Tolerance:±0.1mm
Surface Accuracy:λ/4@632.8nm
Parallelism:<3'
Surface Quality:40-20
Clear Aperture:>90%
Bevelling:<0.2×45°
Coating:As Follow
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Al Metallic Coating(UV)
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Al Metallic Coating(VIS) |
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Ag Metallic Coating |
Au Metallic Coating |