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Home > Products > Optics > Optical Filters > Optical Crown Glass Metallic Neutral Density Filters

Optical Crown Glass Metallic Neutral Density Filters
Optical Crown Glass Metallic Neutral Density Filters

  • Broadband attenuation, visible to near IR
  • Metallic neutral density coating
  • Cost effective optical crown glass
  • For lower power applications

Product Description Product Detail Specifications Drawings Catalog PDF
Product Description
Our metallic neutral density coatings provide broadband attenuation for low power applications. The coating is deposited on one side of a cost effective B 270 optical glass substrate, providing excellent performance in the visible and near-infrared. Available in 25.4 mm diameter round or 50.8 mm square sizes.


25.4mm Diameter Ordering Information
 Quantity Model Description Price
  FBR-ND004 Optical Crown Glass Metallic ND Filter, 25.4 Dia, 0.04 Optical Density at 632.8nm 
  FBR-ND01 Optical Crown Glass Metallic ND Filter, 25.4 Dia, 0.1 Optical Density at 632.8nm 
  FBR-ND02 Optical Crown Glass Metallic ND Filter, 25.4 Dia, 0.2 Optical Density at 632.8nm 
  FBR-ND03 Optical Crown Glass Metallic ND Filter, 25.4 Dia, 0.3 Optical Density at 632.8nm 
  FBR-ND04 Optical Crown Glass Metallic ND Filter, 25.4 Dia, 0.4 Optical Density at 632.8nm 
  FBR-ND05 Optical Crown Glass Metallic ND Filter, 25.4 Dia, 0.5 Optical Density at 632.8nm 
  FBR-ND10 Optical Crown Glass Metallic ND Filter, 25.4 Dia, 1.0 Optical Density at 632.8nm 
  FBR-ND15 Optical Crown Glass Metallic ND Filter, 25.4 Dia, 1.5 Optical Density at 632.8nm 
  FBR-ND20 Optical Crown Glass Metallic ND Filter, 25.4 Dia, 2.0 Optical Density at 632.8nm 
  FBR-ND25 Optical Crown Glass Metallic ND Filter, 25.4 Dia, 2.5 Optical Density at 632.8nm 
  FBR-ND30 Optical Crown Glass Metallic ND Filter, 25.4 Dia, 3.0 Optical Density at 632.8nm 
  FB-ND Optical Crown Glass Metallic ND Filter Set: 0.04, 0.3, 0.5, 1.0, 2.0, 3.0, and (2) 0.1 OD Filters  


50.8 x 50.8mm Ordering Information
 Quantity Model Description Price
  FBS-ND004 Optical Crown Glass Metallic ND Filter, 50.8 x 50.8mm, 0.04 Optical Density at 632.8nm 
  FBS-ND01 Optical Crown Glass Metallic ND Filter, 50.8 x 50.8mm, 0.1 Optical Density at 632.8nm 
  FBS-ND02 Optical Crown Glass Metallic ND Filter, 50.8 x 50.8mm, 0.2 Optical Density at 632.8nm 
  FBS-ND03 Optical Crown Glass Metallic ND Filter, 50.8 x 50.8mm, 0.3 Optical Density at 632.8nm 
  FBS-ND04 Optical Crown Glass Metallic ND Filter, 50.8 x 50.8mm, 0.4 Optical Density at 632.8nm 
  FBS-ND05 Optical Crown Glass Metallic ND Filter, 50.8 x 50.8mm, 0.5 Optical Density at 632.8nm 
  FBS-ND10 Optical Crown Glass Metallic ND Filter, 50.8 x 50.8mm, 1.0 Optical Density at 632.8nm 
  FBS-ND15 Optical Crown Glass Metallic ND Filter, 50.8 x 50.8mm, 1.5 Optical Density at 632.8nm 
  FBS-ND20 Optical Crown Glass Metallic ND Filter, 50.8 x 50.8mm, 2.0 Optical Density at 632.8nm 
  FBS-ND25 Optical Crown Glass Metallic ND Filter, 50.8 x 50.8mm, 2.5 Optical Density at 632.8nm 
  FBS-ND30 Optical Crown Glass Metallic ND Filter, 50.8 x 50.8mm, 3.0 Optical Density at 632.8nm 

Please see Optics Formulas for the optical density equation.
For attenuation of high-energy lasers, we recommend our Model 935 Variable Attenuator (see High-Energy Variable Attenuators).

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