Neutral Density Filter-Absorptive

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Product model table

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Material Absorptive Glass
Dimension Tolerance +0.0/-0.2mm
Surface Quality 80/50 scratch and dig
Clear Aperture >90%
Flatness <2λ@632.8nm
Parallelism <5 arc minutes
Chamfer Protective<0.5mmx45°
OD Tolerance OD±10%@Design Wavelength
Design Wavelength 400-700nm