- Spectrally Flat
- Maximum Accuracy and Neutrality at Moderate Price
- Use Stacks to Create Intermediate Density Values
- Ideal for 250-700nm Sources
- Optical Densities Ranging from 0.3 to 3.0
- Constant Transmission from 190 – 1700nm
- Can be Stacked to Create Intermediate Density Values
- Multiple Optical Densities Available
- Ideal for NIR Wavelengths 700-1100nm
- Optical Densities Ranging from 0.3 to 3.0
- Prevent Unwanted Reflection Towards the Light Source
- Spectrally Flat
- VIS and NIR Ranges Available
- Attenuates Visible Light Via Absorption, Rather than Reflection
- Multiple Filters Can be Stacked for Increased Blocking
- Optical Densities from 0.1 to 4.0 are Available
- Also Available Pre-mounted in C-Mount Housings
- Tightly Controlled Transmission Specifications
- NG4, NG9, or NG11 Glass Types
- Specified Optical Densities from 0.15 to 5.0
- Provide Even Light Attenuation in the Visible Spectrum
- SCHOTT NG Gray Glass Also Available
- Available in Large Sizes
- Easily Cut for Custom Sizing
- Kodak Filter No. 96
- Spectrally Flat from 2μm to 14μm
- Precision Germanium Substrate
- Consistent Transmission from 120-200nm
- Optical Densities Ranging from 0.3 to 3.0
- Ideal for Raman Spectroscopy and Excimer Lasers
- λ/4 Transmitted Wavefront Distortion
- AR Coated for 450 - 700nm
- Optical Densities from 0.1 to 4.0 Available
- Absorptive Neutral Density (ND) Filters Also Available
- Tightly Controlled Thickness Specifications
- Standard Thicknesses of 1, 2, and 3mm
- Even Light Attenuation in the Visible Spectrum
- NG1, NG3, NG4, NG5, NG9 and NG11 Glass Types Available
- Precision SCHOTT NG Glass Filters Also Available
- Calibrated for Specific Wavelengths
- Optical Densities Ranging from 0.3 to 3.0
- NG3, NG4, NG5, NG9, or NG11 Glass Types
- Pre-mounted in Engraved C-Mount Housings
- Simplify Integration into Optical Systems
- Optical Densities from 0.15 to 2.5
- Also Available Unmounted
- Multiple Mounting Sizes and Threads Available
- 40-20 Surface Quality
- Helps Minimize Pixel Saturation
- Spectrally Flat from 400-700nm
- Homogeneous Glass: Blocks by Absorption
- Light/Exposure Control for Imaging
- VIS and NIR ND Filters, Mounted for Imaging Lenses
- Variety of Optical Densities
- Stack Filters Together for Custom Transmission Profiles
- Continuous Attenuation of Illumination Intensity
- Ideal for the Visible Spectrum
- Variety of Common Machine Vision Threads Available
- Mounted Absorptive Neutral Density (ND) Filters Also Available
- Continuous Linear Adjustment of Optical Density
- Use in Pairs to Control Beam Transmission
- Ideal for 400 - 700nm
- 11 Discrete Density Steps
- Design Wavelength of 400 - 700nm
- Density Neutrality of ±5%
- Continuously Variable Over 270°
- Spectrally Flat from 400-700nm
- Mounted and Unmounted Versions Available
- Complete Package
- Smooth Rotation
- Stainless Steel Post is Included
- Bull’s Eye Filter Type Decreases Radially from Center
- Reverse Bull’s Eye Type Increases Radially from Center
- Ideal for Eliminating Intensity Variations in Optical Systems
- Consistent Transmission from 350 – 1100nm
- Optical Densities from 0.1 to 3.0 Available
- Combine Filters for Custom Optical Densities
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