Sell WTS BK7 Windows

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WTS BK7 WINDOWS
High Precision BK7 Windows
Specifications:
Material: BK7 grade A optical glass
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: 10.05mm
Clear Aperture: >90%
Parallelism: <10 arc seconds
Surface Quality: 20-10 scratch and dig
Flatness: lambda /10 per 25mm @633nm
Bevel: <0.25mm W 450
Coating: Upon requirement


Standard BK7 Windows
Specifications:
Material: BK7 grade A optical glass
Diameter Tolerance: +0.0, -0.1mm
Thickness Tolerance: 1 0.2mm
Clear Aperture: >85%
Parallelism: <1 arc minute
Surface Quality: 60-40 scratch and dig
Flatness:lambda/2 per 25mm @633nm
Bevel: <0.25mm W 450
Coating: Upon requirement