Neutral Density UV Metallic Filter -- FNU00325
from Knight Optical Ltd.

0.03 OD Metallic ND Filter.UV grade -25dia. These Metallic Neutral Density Filters attenuate light through reflection rather than absorption as in the glass type of neutral density filter. Metallic Neutral Density Filters consist of a thin layer of nickel-chromium alloy vacuum-deposited on a glass... [See More]

  • Substrate Material: UV grade Fused Silica
  • Thickness: 2
  • Filter Diameter, Side Length, or Rectangular Length: 25
0.3 Optical Density 12.5mm Dia NIR ND Filter -- NT47-825
from Edmund Optics Inc.

Ideal for NIR Wavelengths 700-1100nm. Optical Densities Ranging from 0.3 to 3.0. Our TECHSPEC ® Reflective NIR ND filters feature a spectrally flat region between 700 and 1100nm, outstanding parallelism, and exceptional surface characteristics. The combination of high tolerance and broadband... [See More]

  • Substrate Material: UV grade Fused Silica
  • Filter Diameter, Side Length, or Rectangular Length: 12.5
  • Filter Shape: Circular
  • Thickness: 1.5
UV Neutral Density Filter -- Model NDU-0.04-12.7
from Lambda Research Optics, Inc.

Optical density at 250nm, thickness 1-3mm [See More]

  • Substrate Material: UV grade Fused Silica
  • Filter Shape: Circular
  • Neutral Density Filter Type: Reflective
  • Filter Diameter, Side Length, or Rectangular Length: 12.7
Circular Linear Variable Density Filter -- 100FS01DV.1
from Newport Corporation

Antireflection coating on second surface to reduce back reflection [See More]

  • Substrate Material: UV grade Fused Silica
  • Filter Shape: Circular
  • Neutral Density Filter Type: Variable
  • Filter Diameter, Side Length, or Rectangular Length: 100
UV Neutral Density Filter -- Model 3508
from Optarius

Flat spectral response filters working down to 200nm [See More]

  • Substrate Material: UV grade Fused Silica
  • Filter Shape: Circular
  • Neutral Density Filter Type: Reflective
  • Filter Diameter, Side Length, or Rectangular Length: 12.7