![High Performance OD 4.0 Longpass Filters](https://productimages.edmundoptics.com/7293.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Cut-On Slope <1%
- Rejection OD ≥ 4.0
- ≥91% Transmission in Pass Band
- Variety of OD 4.0 Longpass Filter Kits Available
![OD 4.0 High Performance Shortpass and Longpass Filter Kits](https://productimages.edmundoptics.com/20672.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Precision Cut-On and Cut-Off Wavelengths
- OD 4.0 Shortpass or OD 4.0 Longpass Configurations
- Ideal for Lab Integration
- Note: Potential change of packaging
![OD 2.0 Longpass Filters](https://productimages.edmundoptics.com/9445.jpg?w=305&quality=80)
- Sharp Cut-On Wavelength
- ≥85% Transmission and OD 2.0 Blocking
- 6mm Square or 12.5/25mm Diameter Sizes
- TECHSPEC® OD 4.0 Longpass Filters Also Available
![SCHOTT Colored Glass Longpass Filters](https://productimages.edmundoptics.com/10622.jpg?w=305&quality=80)
- 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
![Dichroic Longpass Filters](https://productimages.edmundoptics.com/9538.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Ideal for Fluorescence or Multispectral Imaging
- Sharp Cut-On Wavelength
- Broad Transmission and Reflection Ranges
![Fluorescence Dichroic Filters](https://productimages.edmundoptics.com/3787.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Ideal for Fluorescence or Multispectral Imaging
- Sharp Transition from Reflection to Transmission
- Extended Reflection and Transmission Bands
- High Performance Fluorescence Dichroic Filters are also available
![High Performance Fluorescence Dichroic Filters](https://productimages.edmundoptics.com/7087.png?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Improved Flatness, Transmitted Wavefront, and Surface Quality
- Ideal for Fluorescence Microscopy or High Magnification Imaging Applications
- Most Popular Cut-On Wavelengths of Fluorescence and Longpass Dichroic Filters
- Standard Fluorescence Dichroic Filters are also available
![Colored Glass Replacement Longpass Filters](https://productimages.edmundoptics.com/9004.jpg?w=305&quality=80)
- Dielectric Coated Longpass Filters
- >90% Typical Transmission and >OD5 Blocking
- 100% Environmentally Safe, RoHS Compliant Construction
- Cut-On Wavelengths from 320 to 1000nm
![Infrared (IR) Longpass Filters](https://productimages.edmundoptics.com/5360.jpg?w=305&quality=80)
- Coated on Silicon or Germanium Substrates
- Ideal for Isolating Broad Spectral Regions
- Durable, First-Surface Coatings
![High Performance Cold Mirrors](https://productimages.edmundoptics.com/7729.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- >95% Reflection from 400 - 690nm
- >90% Transmission from 750 - 1200nm
- Optimized for 0° or 45° Angle of Incidence
![SWIR Longpass Filters](https://productimages.edmundoptics.com/5624.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Block Visible Wavelengths
- Ideal for Machine Vision Applications
- Can Be Used as Cold Mirrors
- Additional Longpass Edge Filters Available
![Dichroic Laser Beam Combiners](https://productimages.edmundoptics.com/7478.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Polarization Insensitive
- Hard Sputtered Coating
- Multiple Sizes Available
![Nd:YAG Harmonic Separators](https://productimages.edmundoptics.com/7447.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Used to Separate Nd:YAG Harmonic Wavelengths
- Beamsplitter Coating Features >95% Transmission
- λ/10 Fused Silica Substrate
![Laser Line Longpass Filters](https://productimages.edmundoptics.com/7477.jpg?w=305&quality=80)
- Up to 93% Transmission to Detect Weak Signals
- Deep > OD 6 Blocking for Maximum Laser Rejection
- Ideal for Raman Spectroscopy, Confocal Microscopy, and Biotech Instrumentation
- Unrivaled Performance and Lifetime
![Hoya Colored Glass Longpass Filters](https://productimages.edmundoptics.com/5554.jpg?w=305&quality=80)
- UV, VIS and IR Pass Ranges
- VIS Can Be Used for Color Bandpass
- Also Available Mounted
![C-Mount Longpass Glass Color Filters](https://productimages.edmundoptics.com/8439.jpg?w=305&quality=80)
- Pre-Mounted in Engraved C-Mount Housings
- Simplify Integration into Optical Systems
- SCHOTT or Hoya Color Glass Filters Available
- Also Available Unmounted
![Everix Ultra-Thin Longpass Filters](https://productimages.edmundoptics.com/2304.jpg?w=305&quality=80)
- Ultra-Thin, Flexible Substrate
- Sharp Cut-On Wavelength Designs
- Extruded Thin Film, Insensitive to Scratches
![Optical Cast Infrared (IR) Longpass Filters](https://productimages.edmundoptics.com/4889.jpg?w=305&quality=80)
- Lightweight Plastic
- Excellent Thermal and Chemical Resistance
![Linear Variable Edge Filters](https://productimages.edmundoptics.com/5439.jpg?w=305&quality=80)
- Use in Pairs to Create High Efficiency Custom Bandpass Filters
- Optimum Input Beam Diameter of 0.2 x 8.0mm
- OD3 Blocking
- Linear Variable Bandpass Filters Also Available
![Flexible Thin Film UV Filters](https://productimages.edmundoptics.com/1776.jpg?w=305&quality=80)
- Virtually Transparent, Flexible Polyester Filter
- Deep-Dyed PET Substrate to Absorb UVA, UVB, and UVC Rays
- <10% Transmission Below 390nm
![OD 2.0 Longpass Filters](https://productimages.edmundoptics.com/5552.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- Sharp Cut-On Wavelength
- High Rejection/Transmission Efficiency
- Precision Fused Silica Substrate
- Variety of OD 2.0 Longpass Filter Kits are Available
![Cold Mirrors](https://productimages.edmundoptics.com/8455.png?w=305&quality=80)
- 0° and 45° Angle of Incidence Options Available
- Reflects 90% of Visible Light
- Transmits 80% of the NIR and IR
![Raman Longpass Edge Filters](https://productimages.edmundoptics.com/5703.jpg?w=305&quality=80)
![TECHSPEC® components are designed, specified, or manufactured by Edmund Optics.](/Assets/images/logo-techspec-product.gif)
- High Transmission for Detecting Weak Signals
- Deep Blocking for Maximum Laser Rejection
- Ideal for Raman Spectroscopy or Life Science Instrumentation
![ISP Optics Infrared (IR) Dichroic Beamsplitters](https://productimages.edmundoptics.com/7517.jpg?w=305&quality=80)
- Separate Visible Light from Infrared (3-12µm) Light
- Visible Transmitting/Infrared Reflecting and Visible Reflecting/Infrared Transmitting Designs
- Ideal for Combining Visible Guide Lasers with MWIR Lasers
![Everix Ultra-Thin OD4 Longpass Filters](https://productimages.edmundoptics.com/21125.jpg?w=305&quality=80)
- Ultra-thin 300µm Construction
- OD ≥4.0 Blocking and >85% Average Transmission
- Lightweight and Scratch Insensitive
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