IR Neutral Density Filter, 2.0 OD, 25mm Dia -- NT64-356
from Edmund Optics Inc.

Spectrally Flat from 2 μm to 14 μm. Precision Germanium Substrate. Our IR Neutral Density Filters feature excellent linearity over a wide spectral band of 2 μm to 14 μm. Ideal for thermal and medical imaging, the filters are available in 5 densities and 2 size options. Attenuation is... [See More]

  • Substrate Material: Germanium
  • Filter Diameter, Side Length, or Rectangular Length: 25
  • Filter Shape: Circular
  • Thickness: 1
Infrared Neutral Density Filter -- Model 28735
from Newport Corporation

Spectrally neutral throughout usable range, high damage threshold [See More]

  • Substrate Material: Germanium
  • Filter Shape: Circular
  • Neutral Density Filter Type: Reflective
  • Filter Diameter, Side Length, or Rectangular Length: 25.4