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    Microscopy Filters

    Microscopy Filters are used in a variety of microscopy applications for increasing contrast, blocking ambient light, removing harmful ultraviolet or infrared light, or for selectively transmitting only wanted wavelengths. Microscopy Filters are optical filters that are well-suited for use in microscopy. Microscopy Filters are commonly used in applications such as fluorescence, brightfield, or darkfield microscopy.

    Bandpass Filters | View All


    Deep UV Bandpass Filters
    • Center Wavelengths as Low as 122nm
    • Mounted in Aluminum Ring to Ease System Integration
    • Substrates Include MgF2 and UV Grade Fused Silica
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    First Surface UV Bandpass Filters
    • Center Wavelengths from 193nm
    • First Surface Bandpass Coating with Protective Overcoat
    • UV Fused Silica Substrate

    Fluorescence Bandpass Filters
    • Common Wavelengths for Popular Fluorophores
    • >93% Transmission
    • >OD 6 Blocking, <3% from Edge of Bandwidth

    Fluorescence Filter Sets
    • 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 Are Also Available

    Hard Coated OD 4 10nm Bandpass Filters
    • Ideal for Life Sciences or Chemical Analysis
    • Available in UV, VIS, and IR Center Wavelengths
    • Feature High Performance Hard Coatings
    • Hard Coated OD 4 25nm and 50nm Bandpass Filters Also Available

    Hard Coated OD 4 50nm Bandpass Filters
    • High Transmission, Deep Blocking
    • Broad Bandwidths Ideal for Imaging Applications
    • Available in VIS and IR Center Wavelengths
    • Hard Coated OD 4 10nm and 25nm Bandpass Filters Also Available

    Laser Line Bandpass Interference Filters
    • Common Diode, Gas, and Solid State Laser Lines
    • Variety of Bandwidths for Each Laser Line
    • Excellent Blocking Outside of Passband

    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

    Multi-Band Fluorescence Bandpass Filters
    • 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

    Pre-Mounted Fluorescence Filter Cube Sets

    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

    Traditional Coated 400 – 699nm 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

    Traditional Coated 700 – 1650nm 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

    Longpass and Dichroic Edge Filters | View All


    Dichroic Laser Beam Combiners
    • Polarization Insensitive
    • Hard Sputtered Coating
    • Multiple Sizes Available

    Dichroic Longpass Filters
    • Ideal for Fluorescence or Multispectral Imaging
    • Sharp Cut-On Wavelength
    • Broad Transmission and Reflection Ranges

    Fluorescence Dichroic Filters
    • Ideal for Fluorescence or Multispectral Imaging
    • Sharp Transition from Reflection to Transmission
    • Extended Reflection and Transmission Bands

    High Performance Fluorescence Dichroic Filters
    • 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

    High Performance OD 4 Longpass Filters
    • Cut-On Slope <1%
    • Rejection OD ≥ 4.0
    • ≥91% Transmission in Pass Band

    Laser Line Longpass Filters
    • 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

    Linear Variable Edge Filters
    • 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

    OD 2 Longpass Filters
    • Sharp Cut-On Wavelength
    • High Rejection/Transmission Efficiency
    • Precision Fused Silica Substrate

    Multi-Edge Fluorescence Dichroic Filters
    • Multiple Cut-On Wavelengths On a Single Filter
    • High Peak Transmission, Excellent Blocking
    • Ideal for Simultaneous Viewing of Multiple Fluorophores
    • For Optimal Performance Pair with Multi-Band Fluorescence Bandpass Filters

    Shortpass Edge Filters | View All


    Dichroic Shortpass Filters
    • Sharp Cut-Off Wavelength
    • Broad Transmission and Reflection Ranges
    • Available in 4 Common Sizes

    High Performance OD 4 Shortpass Filters
    • Broad Transmission and Rejection Ranges
    • Sharp Slope for Effective Spectral Discrimination
    • Combine with Longpass Filter for Custom Bandpass Ranges

    Hot Mirrors
    • Ideal for Reducing Heat In Projectors
    • Reflects 90% of the NIR and IR
    • Transmits 80% of Visible Light

    IR Cut-Off Filters
    • 710nm Cut-Off Wavelength
    • Circular and Rectangular Options
    • Various Sizes Available

    Linear Variable Edge Filters
    • 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

    Schott KG Heat Absorbing Glass
    • Absorbs IR
    • Also Useful as a Shortpass Filter

    OD 2 Shortpass Filters
    • Sharp Cut-Off Wavelength
    • High Transmission / Rejection Efficiency
    • Precision Fused Silica Substrate

    ND Filters | View All


    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

    Continuously Variable Neutral Density Filters
    • Continuous Linear Adjustment of Optical Density
    • Use in Pairs to Control Beam Transmission
    • Ideal for 400 - 700nm

    Non-Reflective Neutral Density (ND) Filters
    • Prevent Unwanted Reflection Towards the Light Source
    • Spectrally Flat
    • VIS and NIR Ranges Available

    Reflective Neutral Density (ND) Filters
    • Spectrally Flat
    • Maximum Accuracy and Neutrality at Moderate Price
    • Use Stacks to Create Intermediate Density Values

    UV-VIS Neutral Density (ND) Filters
    • Ideal for 250-700nm Sources
    • Optical Densities Ranging from 0.3 to 3.0

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