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Edmund Optics® manufactures standard and custom design optical filters from prototyping to full-scale OEM production quantities. Our engineers can design and manufacture fully-custom filters, build-to-print following customer-supplied designs, and manufacture high volumes of standard design components, with over 960 standard coating designs to choose from.


OEM-Volume Hard Coated Filters

 Wavelength Ranges from 220nm to 10.6µm

 Over 960 existing coating designs that can be modified to your needs

 Fully customized filter and coating designs

 Test certificates and spectral measurements available

 Change control available

 ISO 9001: 2015 and ITAR certified manufacturing facility

Precision optical filters block, transmit, and reflect selected wavelengths in your system. Whether you need to clean up a laser beam, increase contrast in a machine vision system, or separate fluorescence from excitation wavelengths, Edmund Optics® has an appropriate filter solution.

Edmund Optics® is a leading producer of optical filter coatings including fluorescence, dichroic, narrow bandpass, multi-bandpass, notch, edge, and neutral density filters. From small quantities for prototyping to large quantities for production, our engineers can create a solution for you. Our experience in a wide variety of applications will help guide you to finding the best filters for your application. What can we make for you?


Manufacturing Equipment

Edmund Optics® has state-of-the-art optical filter coating facilities in Japan and US with capabilities including:

  • Ion-Assisted Deposition
  • Ion Beam Sputtering
  • Magnetron Sputtering
  • Ultrasonic Cleaning
  • Slicing
  • Dicing
  • Coring

And supporting equipment including:

  • Assembly Robot
  • Environmentally-Controlled Storage Boxes
  • Keyence Laser Engraver
  • Class 10,000 Cleanrooms
  • Class 100 Laminar Flow Booth
Aspheric Equipment

Ion Beam Sputtering Coating Chambers

High-Volume Magnetron Sputtering

Dicing platform

Keyence Laser Engraver

Assembly robot


Optical Filter Glass


 60 SCHOTT Optical Filter Glass Types in Stock

 Online Tool for Quick Quotes of Custom Filter Glass Here

 No Minimum Order Quantity for Both Standard and Custom Dimensions

 Build-to-Print Manufacturing and Full-Custom Design

 Rapid Turnaround for Prototypes

ITOS, the German manufacturing site of Edmund Optics®, offers optical filter glass in customized shapes, sizes from 4-160mm, and at various thicknesses. Utilizing state-of-the-art production equipment and an extensive inventory of the entire range of SCHOTT Optical Filter Glass, including a large selection of raw glass plates, allow for rapid delivery of small quantities of customized filters. This DIN ISO 9001:2015 certified manufacturing facility guarantees reliability and quality in volume production. ITOS also supports analysing your filter and providing you the required properties.

Contact us today to speak with an expert or to request a quotation.


Choose from 60 different types of filter glasses to match the spectral requirements of your application. Whether you require small quantities for prototyping or build-to-print manufacturing for OEM systems, or simply need to define the filter specifications, we have the capabilities to cut and polish optical filter glass to ensure the success of your project.

Optical Filter Glass Capabilities
Dimensions Ø 3 to 160mm or 2 x 2mm to 160 x 160mm
Dimensional Tolerances For ≥ 2 – 49mm: ±0.2mm, for ≥ 50 – 99mm: ±0.3mm, for ≥ 100 – 160mm: ±0.4mm
Thickness 0.5 – 4.0mm
Thickness Tolerances For ≤ 1mm: ± 0.1mm, for > 1 – 4mm: ± 0.2mm
Surface Finish* P2
Form Errors, Planarity* 3/10-15 for diameters up to 50mm
Surface Defects* For ≥ 2 – 49mm: 5/3 x 0.63mm, for ≥ 50 – 160mm: 5/4 x 0.63mm
Parallelism* 3 arcmin
Edges & Bevels Round parts ≥ Ø5mm: polished edges & protective bevel
Square & rectangular parts < 50 x 50mm: polished edges, no bevel
Edge Chips For ≤ Ø80mm: < 0.3mm (5/E0.3), for ≥ Ø81mm < 0.6mm (5/E0.6)
*Specifications per DIN ISO 10110. Manufacturing specifications per MIL-PRF-13830B also available.

Custom Options & Available Dimensions and Tolerances


Colour Filter Glass Pricing Tool
for Custom Sizes

Manufacturing Equipment

  • Circular grinding machine
  • Grinding Machine
  • Single-sided Polishing Machine
  • High Precision Diamond Saw
  • Frame Diamond Saw
  • Bevelling Machine
  • CNC Centering Machine
  • Waterjet Cutter
  • Trotec Laser Cutters
  • Cleanroom with Roll and Sheet Laminator
  • Zund Digital Cutter
  • Climate chamber (humidty & temperature)


  • Spectrophotometers
  • Optoflat Interferometer
  • Measuring Microscope
  • Digital Measuring Projector
Aspheric Equipment
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