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China, Chinese Dia22.4mm Mounted Coated Neutral Density Optical ND Filter1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Optical Lens InstrumentOptical FilterND FilterOptical Filter
CPG OPTICS LIMITED
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Product Description Dia22.4mm Coated Neutral Density Optical Filter Drawing: Specification: Material:Schott N-BK7Diameter:22.4+0.0/-0.2mmThickness:2.0+/-0.1mmR1:infinityR2:infinityFlatness:S1&S2:N/ASurface quality:S1&S2:5/3x0.25(S/D:60-40)Parallelism:<3arcminClear aperture:>90%Chamfer:protectedCoating:ND coating,OD0.4+/-5%@400-700nm,CWL@550nmStandard:MIL-PRF-13830BSpectral curves:
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