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Home » Neutral Density Filter (ND Filter) » Fixed ND Filter Sets: BK-7 & Fused Silica
 
Fixed ND Filter Sets: BK-7 & Fused Silica

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Fixed ND Filter Sets: BK-7 & Fused Silica

The neutral density filter (ND Filter) is a glass plate with a durable metallic coating that attenuates radiation over a wide spectral range. The filter consists of a vacuum coated spectrally neutral metallic alloy which can be used with white light as well as lasers. These filters are available as a set of 7 filters in a wooden storage box.

  Product Number    Product Name  ThicknessSubstrate MaterialSurface QualityFlatnessParallelismOutside DiameterLengthWidth
R00395-00 Fixed ND Filter Set: [7] PC 2mm ±0.2mm
 BK-7
 80-50 Scratch & Dig
 < 2 Fringes / Inch @ 632.8nm
 < 3 Arc Minutes
 25mm
    
R00396-00 Fixed ND Filter Set: [7] PC 2mm ±0.2mm
 BK-7
 80-50 Scratch & Dig
 < 2 Fringes / Inch @ 632.8nm
 < 3 Arc Minutes
   50mm
 50mm
R00397-00 Fixed ND Filter Set: [7] PC 2.2mm
 Fused Silica
 80-50 Scratch & Dig
 < 2 Fringes / Inch @ 632.8nm
 < 3 Arc Minutes
 25mm
    
R00398-00 Fixed ND Filter Set: [7] PC 2.2mm
 Fused Silica
 80-50 Scratch & Dig
 < 2 Fringes / Inch @ 632.8nm
 < 3 Arc Minutes
   50mm
 50mm

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