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Bandpass Filters

UV λ = 100–400 nm VIS λ = 400–700 nm NIR λ = 700–1100 nm SWIR λ = 900–1700 nm IR λ ≥ 1700 nm
Techspec bandpass optical filters shown in a range of sizes with reflective coatings

Hard Coated OD 4.0 10nm Bandpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
  • Ideal for Life Sciences or Chemical Analysis
  • Available in UV, VIS, and IR Center Wavelengths
  • Feature High Performance Hard Coatings
  • Hard Coated OD 4.0 5nm, 25nm, and 50nm Bandpass Filters Also Available
Three EO Techspec bandpass filters with reflective coatings in different sizes

Hard Coated OD 4.0 25nm Bandpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
  • Ideal for Life Science Instrumentation
  • High Transmission, Deep Blocking
  • Used to Prevent Photobleaching in Microscopy Applications
  • Hard Coated OD 4.0 5nm, 10nm and 50nm Bandpass Filters also Available
Two TECHSPEC optical filters with orange reflective coating on black background

Hard Coated OD 4.0 50nm Bandpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Top Seller
  • High Transmission, Deep Blocking
  • Broad Bandwidths Ideal for Imaging Applications
  • Available in VIS and IR Center Wavelengths
  • Hard Coated OD 4.0 10nm and 25nm Bandpass Filters Also Available
Various sizes of Techspec Fluorescence optical filters with colorful coatings

Fluorescence Bandpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
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Three TECHSPEC coated optical lenses with black rims arranged by size on gray background

Traditional Coated 400 – 699nm Bandpass Interference Filters
Top Seller
  • Available in UV, Visible, and IR Center Wavelengths
  • 10 – 80nm Bandwidths Available
  • Ideal for Biomedical Applications and Instrumentation Integration
  • 193-399nm, 400-699nm, and 700-1650nm CWL Options Available
Three TECHSPEC coated optical lenses with black rims arranged by size on gray background

Traditional Coated 700 – 1650nm Bandpass Interference Filters
Top Seller
  • Available in UV, Visible, and IR Center Wavelengths
  • 10 – 80nm Bandwidths Available
  • Ideal for Biomedical Applications and Instrumentation Integration
  • 193-399nm, 400-699nm, and 700-1650nm CWL Options Available
SCHOTT Colored Glass Bandpass Filters

SCHOTT Colored Glass Bandpass Filters
  • 20 Standard SCHOTT Glass Types
  • Standard Circular and Square Sizes with 1, 2, or 3mm Thickness
  • UV, Visible, and IR Bandpass Regions
two round optical filters with green and purple coatings on black background

Infrared (IR) Bandpass Filters
  • Ideal for Gas Analysis
  • Center Wavelengths of 2.7-12.4μm
  • Single Substrate Interference Filter
  • Due to material supply chain disruptions with germanium, there may be increased lead times and price changes on our germanium products. For more information, please contact our customer service team.
Multi-Band Machine Vision Bandpass Filters

Multi-Band Machine Vision Bandpass Filters
  • Block and Transmit Desired Key VIS and NIR Spectral Bands with One Filter
  • Remove The Need for Dual Sensor Setups
  • Anti-Reflection Coating for Durability and Performance
  • Various Mounting Thread Options Available
two coated optical lenses showing vibrant blue, green, and purple reflections on black background

Unmounted OD 4.0 Bandpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Center Wavelengths from 365 to 1550nm
  • 10, 25, or 50nm Full-Width Half Maximum Options
  • High Transmission and Deep Blocking
  • Mounted OD 4.0 5nm, 10nm, 25nm and 50nm Bandpass Filters Also Available
Three TECHSPEC coated optical lenses with black rims arranged by size on gray background

Traditional Coated 193 – 399nm Bandpass Interference Filters
  • Available in UV, Visible, and IR Center Wavelengths
  • 10 – 80nm Bandwidths Available
  • Ideal for Biomedical Applications and Instrumentation Integration
  • 193-399nm, 400-699nm, and 700-1650nm CWL Options Available
Mounted Machine Vision Filters

Mounted Machine Vision Filters
Three TECHSPEC bandpass filters with black rims and vibrant colored optical coatings

Hard Coated OD 4.0 5nm Bandpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Variety of UV, VIS, and NIR Laser Lines Available
  • Deep Blocking and High Transmission
  • Steep Transmission and Rejection Slopes
  • Hard Coated OD 4.0 10nm, 25nm and 50nm Bandpass Filters Also Available
fluorescence filter 340/17 with blue reflective coating and black rim

Hard Coated OD5 Bandpass Filters
  • Suitable for Single-Point Fluorescence Detection and Flow Cytometry Applications
  • 52 Distinct Design Wavelengths Covering the NUV – NIR Spectrum
  • >OD5 Average Blocking from 330 – 900nm
  • Mounted for Easy Handling and System Integration
Two coated optical lenses showing vibrant pink, green, and blue reflections on black background

Unmounted Fluorescence Bandpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
Three coated optical filters with blue, pink, and green tinted glass in black mounts

Ultra Narrow Hard Coated Bandpass Filters
  • >90% Transmission at Design Wavelength
  • Up to >OD 8 Blocking Across Blocking Range
  • As Narrow as <0.5nm Full Width-Half Max
Three laser line filters with blue, purple, and red coatings arranged side by side

High Performance Laser Line Bandpass Filters
  • Over 90% Transmission at Specified Laser Lines
  • Hard Coated Design
  • Designed for Laser Applications
Techspec fluorescence filters showing purple and yellow gradient coatings in multiple sizes

Multi-Band Fluorescence Bandpass Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Multiple Pass Bands on a Single Filter
  • High Peak Transmission, Excellent Blocking
  • Ideal for Simultaneous Viewing of Multiple Fluorophores
  • For Optimal Performance Pair with Multi-Edge Fluorescence Dichroic Filters
Hard Coated OD 4.0 Bandpass Filter Kits

Hard Coated OD 4.0 Bandpass Filter Kits
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • High Transmission with Flat Transmission Profile
  • Durable Hard Coatings on a Single Glass Substrate
  • Easily Handled and Cleaned
  • Individual OD 4.0 10nm, 25nm, and 50nm Bandpass Filters Also Available
  • Note: Potential change of packaging
optical filter with reflective purple coating and black housing on gray surface

OD8 Fluorescence Bandpass Filters
  • OD ≥8 Blocking and >95% Minimum Peak Transmission in the Passband
  • Designed for Common qPCR Fluorophores
  • Excitation Filters and Emission Filters Available
OD 6 Laser Line Clean-Up Filters

OD 6 Laser Line Clean-Up Filters
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Over 90% Transmission at Design Wavelength
  • Hard Coated Design
  • Designed for Laser Applications
round optical filter showing green and blue tint on dark background

Everix Ultra-Thin 10nm OD2 Bandpass Filters
  • Narrow 10nm Bandwidth
  • Lightweight, Flexible, and Ultra-Thin 400µm Thickness
  • Scratch Insensitive and Durable Design
round purple optical filter with smooth surface on dark background

Everix Ultra-Thin OD2 Broadband Bandpass Filters
  • Designed for Common LED and Laser Diode Wavelengths
  • Scratch Insensitive, Ultra-Thin Design
  • Easily Integrated into Portable Devices
High Transmission Traditional Coated Bandpass Filters

High Transmission Traditional Coated Bandpass Filters
  • Passband Transmission up to 80%
  • 441.6 to 1064nm Wavelength Options with 10, 20, and 40nm Bandwidths
  • Ideal for Medical and Analytical Applications
wooden case containing multiple optical lenses arranged in rows with blue interior

Traditional Coated Bandpass Interference Filter Kits

 Clearance
assorted coated optical windows with colorful reflective surfaces in different sizes

Astronomy Bandpass Filters
  • Filter and Measure Light from Astronomical Objects
  • Ideal for Photometric Calibration
  • UBVRI Filters
rectangular optical filter displaying a smooth rainbow gradient from blue to red

Linear Variable Bandpass Filters
  • Narrow Bandwidths with High Transmission
  • Optimum Input Beam Diameter of 0.5 x 10.0mm
  • OD4 Blocking
  • Linear Variable Edge Filters Also Available
Set of three optical bandpass filters with purple, red, and green lenses in black mounts

Ultra Narrow Traditional Coated Bandpass Filters
Two TECHSPEC optical filters with blue and purple coatings displayed with a reflective panel

Fluorescence Filter Sets
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
  • Excitation, Emission, and Dichroic Filters for Fluorescence Imaging
  • >93% Transmission and OD 6 Blocking for Maximum Brightness and Contrast
  • Hard Sputtered Coatings on Single Substrate
  • TECHSPEC Pre-Mounted Filter Cubes Also Available
Olympus U-FF optical filter cube with pink-tinted glass and black housing

Pre-Mounted Fluorescence Filter Cube Sets
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
SCHOTT Harsh Environment Colored Glass NIR Cut-Off Filters

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

Bandpass Filters are used to selectively transmit a portion of the spectrum while rejecting all other wavelengths. Bandpass Filters are ideal for a variety of applications, such as fluorescence microscopy, spectroscopy, clinical chemistry, or imaging. These filters are typically used in the life science, industrial, or R&D industries.

Edmund Optics offers a wide variety of Bandpass Filters in a range of bandwidth options for ultraviolet (UV), visible (VIS), or infrared (IR) applications. Laser Line filters typically have narrow bandwidths of 2 – 5nm for demanding laser applications. Fluorescence Filters, which have been designed to maximize the energy of the excitation and emission bands, typically have broad bandwidths of 20 – 70nm. Edmund Optics’ 10nm filters are ideal for chemical, environmental, or elemental analysis. Hard coated filters offer maximum performance with exceptional durability. Traditionally coated evaporated filters are cost-sensitive alternatives. Bandpass Filters are angular sensitive, so care should be taken when mounting or integrating into an optical system.

Bandpass Filter Selection Table

Bandwidth Bandwidth is the spectral range over which an optical filter will transmit illumination. Narrow bandwidth filters (<20nm) are typically used in elemental and chemical analysis applications, analytical instrumentation, and laser line clean up. Broad bandwidths (>20nm) are commonly used in imaging applications, including fluorescence microscopy, machine vision, and factory automation. Visit our application note on Optical Filters for more information.
Broad Band for Fluorescence Imaging
and Machine Vision Applications		 Narrow Band for Chemical Analysis
or Laser Clean Up		 Kits, Sets,
and Specialty Filters
Optical Density Optical Density describes the amount of energy blocked or rejected by a filter. A high optical density value indicates low transmission, and low optical density indicates high transmission. Optical densities of 6 or greater are used for creating high signal-to-noise in applications such as fluorescence microscopy. Optical densities of 3.0 – 4.0 are ideal for laser separation and clean-up, machine vision, and chemical detection, while optical densities of 2.0 or less are ideal for color sorting and separating spectral orders. Visit our application note on Optical Filters for more information.
OD 8.0 Blocking (<0.000001% Transmission) OD 8.0 Filters are manufactured using state of the art thin film coating technologies providing highest levels of precision and spectral performance> They enable optical systems with the highest demand on signal to noise performance.
  
OD 6.0 Blocking (<0.0001% Transmission) OD 6.0 Filters are fabricated utilizing advanced Hard Coating technologies including ion beam sputtering (IBS) and magnetron sputtering, guaranteeing high transmission, deep blocking, and extended lifetimes.
   
OD 4.0 Blocking (<0.01% Transmission) OD 4.0 Filters are typically manufactured utilizing high volume Hard Coating technologies, guaranteeing high transmission, deep blocking, extended lifetimes, and generous volume discounts.
   
OD 2.0 Blocking (<1% Transmission) OD 2.0 Filters are typically manufactured from traditional evaporative coating technologies, or absorptive colored glass, yielding cost effective filters.
 
   
   
 
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