Color and Absorptive Filters

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Hoya Colored Glass Bandpass Filters

UV, VIS, IR Ranges
Circular and Square Sizes Available

New SCHOTT Colored Glass Bandpass Filters

16 Standard SCHOTT Glass Types
Standard Circular and Square Sizes with 1, 2, or 3mm Thickness
UV, Visible, and IR Bandpass Regions

New SCHOTT Colored Glass Longpass Filters

27 Standard SCHOTT Color Glass Types
Cut-On Wavelengths in the UV, Visible, or NIR
Standard Circular and Square Sizes with 1, 2, or 3mm Thickness

New SCHOTT Colored Glass Heat Absorbing Shortpass Filters

SCHOTT KG Colored Glass Substrates
Absorb Infrared Radiation
Standard Sizes with 1, 2, or 3mm Thickness

New SCHOTT Harsh Environment Colored Glass NIR Cut-Off Filters

High Absorption in the NIR
Designed for Use in Harsh Environments with High Humidity
50 x 50mm Size with 1mm Thickness

New Colored Glass Replacement Longpass Filters

Dielectric Coated Longpass Filters
>90% Typical Transmission and >OD5 Blocking
100% Environmentally Safe, RoHS Compliant Construction
Cut-On Wavelengths from 320 to 1000nm

New Precision Absorptive Neutral Density (ND) Filters

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

New Anti-Reflection (AR) Coated HOYA Absorptive Neutral Density (ND) Filters

Optical Densities from 0.1 to 4.0
VIS 0°, NIR I, and NIR II Coating Options
12.5, 25, and 50mm Diameter Sizes
Uncoated HOYA or SCHOTT ND Filters Also Available

Hoya Colored Glass Longpass Filters

UV, VIS and IR Pass Ranges
VIS Can Be Used for Color Bandpass
Also Available Mounted

New C-Mount Longpass Glass Color Filters

Pre-Mounted in Engraved C-Mount Housings
Simplify Integration into Optical Systems
SCHOTT or Hoya Color Glass Filters Available
Also Available Unmounted

Absorptive Neutral Density (ND) Filters

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

New C-Mount Absorptive Neutral Density (ND) Filters

Pre-mounted in Engraved C-Mount Housings
Simplify Integration into Optical Systems
Optical Densities from 0.15 to 2.5
Also Available Unmounted

Additive and Subtractive Dichroic Color Filters

High Saturation Dichroic Type
Matrix of Sizes and Sets
Precision Glass Substrate

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

45° Reflective Dichroic Color Filters

Reflects Stated Color While Transmitting Remaining Visible Spectrum
Ideal for Color Separation Applications
Precision N-BK7 Substrates

Lumilass Fluorescent Glass Filters

Wide Range of UV Excitation
High Sensitivity and Durability
Minimum Sensitivity of ~1 μW/cm² for All Emissions

New Ultra-Thin Longpass Filters

Ultra-Thin, Flexible Substrate
Sharp Cut-On Wavelength Designs
Extruded Thin Film, Insensitive to Scratches

New Ultra-Thin Shortpass Filters

Flexible Design to Conform to Curved Surfaces
Scratch Insensitive, Ultra-thin Polymer Construction
>80% Average Transmission

Optical Cast Plastic Color Filters

Resistant to All Types of Chemicals and Solvents (Acetone, Acids, Alkali and Alcohols)
Excellent Thermal Resistance
Easily Drilled with High Speed Carbide Bits for Mounting

Optical Cast Infrared (IR) Longpass Filters

Lightweight Plastic
Excellent Thermal and Chemical Resistance

Kodak Wratten Filters

75 x 75 x 0.1mm Dimensions
Visible and Infrared (IR) Filters Offered
IR Filters Have No Transmittance from 400 - 700nm

Kodak Wratten 2 Neutral Density Filters

Available in Large Sizes
Easily Cut for Custom Sizing
Kodak Filter No. 96

Laminated Neutral Density (ND) Filter Film

High Rigidity and Durability
Anti-Reflection (AR) Coated to Reduce Glare
Easy to Handle and Mount

TECHSPEC^® components are designed, specified, or manufactured by Edmund Optics. Learn More

C-Mounted Filters

Hot or Cold Mirror and Color Dichroic Options Available
4 Standard Female C-Mount Threaded Holes

Filter Booklets

Book of Over 200 Colored Filters
Improved Heat and Color Absorption
Two Sizes Available
Ideal for Prototyping Needs

Mounted Color Filters

Improve Contrast
Isolate Spectral Regions/Colors
Precision Colored Glass

New Isuzu ISK Colored Glass Heat Absorbing Filters

Transmit Visible Light, Reject IR Radiation
Sharp Cutoff and High Absorption at Design Wavelengths
Available in 12.5, 25, and 50mm Diameters

Featured Resources

Application Note

Optical Filters

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Ultra-Thin Longpass and Shortpass Filters

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Optical Filter Orientation

Technical Tool

Custom Bandpass Filter using Shortpass and Longpass Filters

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Color and Absorptive Filters are available in longpass, bandpass, and neutral density options. Color and Absorptive Filters are ideal for use as environmental displays or for other machine vision or industrial applications. These filters utilize the material’s inherent absorption or transmission properties, rather than interference effects from thin film coatings. By controlling the thickness of the material, precise filtering across large bandwidths can be achieved. Edmund Optics’ Color and Absorptive Filters are available in glass, plastic, or film substrates. Glass filters offer high durability, while plastic or film filters are cost-sensitive alternatives.