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Dimensions (mm)	Dia. (mm)	Cut-Off Wavelength (nm)	Wavelength Range (nm)	Stock Number	Price	Buy

- -	12.50 12.50	710.00 710.00	480 - 1200 480 - 1200	#55-234	39,50 €39,50 Qty 25+ €35,50 Request Quote	Contact Us ×
12.5 x 12.5 12.5 x 12.5	- -	710.00 710.00	480 - 1200 480 - 1200	#55-235	39,50 €39,50 Qty 25+ €35,50 Request Quote	3-4 days ×
- -	15.00 15.00	710.00 710.00	480 - 1200 480 - 1200	#53-708	43,50 €43,50 Qty 25+ €39,25 Request Quote	In Stock ×
15.0 x 15.0 15.0 x 15.0	- -	710.00 710.00	480 - 1200 480 - 1200	#53-709	43,50 €43,50 Qty 25+ €39,25 Request Quote	In Stock ×
- -	20.00 20.00	710.00 710.00	480 - 1200 480 - 1200	#55-236	43,50 €43,50 Qty 25+ €39,25 Request Quote	3-4 days ×
20.0 x 20.0 20.0 x 20.0	- -	710.00 710.00	480 - 1200 480 - 1200	#55-237	43,50 €43,50 Qty 25+ €39,25 Request Quote	3-4 days ×
- -	25.00 25.00	710.00 710.00	480 - 1200 480 - 1200	#53-710	47,75 €47,75 Qty 25+ €43,00 Request Quote	3-4 days ×
25.0 x 25.0 25.0 x 25.0	- -	710.00 710.00	480 - 1200 480 - 1200	#53-711	47,75 €47,75 Qty 25+ €43,00 Request Quote	3-4 days ×
- -	50.00 50.00	710.00 710.00	480 - 1200 480 - 1200	#54-517	87,50 €87,50 Qty 25+ €79,00 Request Quote	3-4 days ×
50.0 x 50.0 50.0 x 50.0	- -	710.00 710.00	480 - 1200 480 - 1200	#54-516	87,50 €87,50 Qty 25+ €79,00 Request Quote	3-4 days ×

Filter

Confocal Microscopy

Confocal microscopy provides high resolution, elimination of out-of-focus glare due to spatial filtering, and reduction of light-induced damage to the sample.

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Advantages of using engineered chalcogenide glass for color corrected, passively athermalized LWIR imaging systems

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Infrared Light

Optical Engineer Andrew Fisher explains how you can see the "invisible" light, or infrared light, from your own TV remote.

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Short Wave Infrared (SWIR)

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Advantages of Using Meniscus Lenses in Infrared Applications

Meniscus lenses offer superior performance compared to plano convex lenses in IR applications. Find out the benefits of using a meniscus lens at Edmund Optics.

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The Correct Material for Infrared (IR) Applications

Using an Infrared Application? Discover the importance of choosing the right material and comparisons of each at Edmund Optics.

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Is it okay to clean an infrared lens, for example one made of germanium, with ethanol?

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Infrared (IR) Spectrum

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Optical Filter Orientation

Unsure which side of your filter should face the light source? Learn how to determine the filter orientation of your TECHSPEC filter at Edmund Optics.

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Custom Bandpass Filter using Shortpass and Longpass Filters

Do stock filters not meet your bandwidth or CWL requirements? Learn how custom bandpass filters are created using short or longpass filters at Edmund Optics.

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Optical Filters Review

Optical Filters are used to selectively transmit or block certain wavelengths or wavelength ranges within optical systems.

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Optical Filter Coatings: Comparison of Traditional and Hard-Sputtered

Confused about the differences between traditional-coated and hard-coated optical filters?

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Selecting Color Filter Glass for Life Science Applications

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What type of material should I look for in a filter?

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How are notch filters designed and manufactured?

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Bandpass Filter

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Bandwidth

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Cavity

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Dichroic Coating

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Dichroic Filter

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Filter, Colored Glass

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Ripple

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What is SWIR?

Have a question about short-wave infrared (SWIR)? Find definitions, application uses, and examples at Edmund Optics.

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Hyperspectral and Multispectral Imaging

Are you trying to gauge depth of field in your imaging system? Take a closer look at this article on depth of field calculations at Edmund Optics.

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UV vs. IR Grade Fused Silica

UV grade fused silica is ideal for UV and visible applications, but IR grade fused silica has better transmission in the IR due to a lack of OH- impurities.

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Hyperspectral & Multispectral Imaging – TRENDING IN OPTICS: EPISODE 7

Hyperspectral and multispectral imaging are imaging technologies that capture information from a broader portion of the electromagnetic spectrum.

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You offer many substrates for UV and IR applications. How do I know which is best for me?

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Trending in Optics: The Future of Optical Filters

New optical filters are being developed due to the advancements in applications and technologies. Learn more about the future of filters at Edmund Optics.

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Machine Vision Filter Technology

While working with machine vision, there are different types of filters that can be used to alter the image. Find out about the different types at Edmund Optics.

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Fluorophores and Optical Filters for Fluorescence Microscopy

Want to know more about fluorophores and optical filters for fluorescence microscopy? Find out more information and in stock optical filters at Edmund Optics.

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Optical Filters

Do you want to learn about optical filters? Find terminology, fabrication techniques, a selection guide, and application examples at Edmund Optics.

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Polarizers Review

Polarizers are used in a wide range of imaging and research and development applications.

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Manipulating Wavebands: Color & Filters

Nick Sischka explains why color consideration and illumination are so important for machine vision in this hands-on demonstration from the Edmund Optics 2021 Imaging Innovation Summit.

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What happens when a filter is tilted?

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How do I determine which side of my filter is coated?

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Blocking

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Blocking Range

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Central Wavelength (CWL)

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Cold Mirror

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Full Width at Half Maximum (FWHM)

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Interference Filter

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Notch Filter

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Peak Transmittance

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Rugate Notch Filter

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Shortpass Filter

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Fluorescence Imaging with Laser Illumination

Fluorescence imaging systems are composed of three major components, an illumination source, a photo-activated fluorophore sample, and detector.

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How do I clean my filters?

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What is the largest diameter filter available from Edmund Optics®?

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What are some of the most common filter substrates?

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How do I select the right filter for my application?

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What types of filters can Edmund Optics® manufacture?

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Do you have mounts for square or rectangular optics?

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Cut-Off Wavelength

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Cut-On Wavelength

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Filter

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Fluorescent Filter

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Optical Density (OD)

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Stopband

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Optical Microscopy Application: Fluorescence

Wondering how fluorescence microscopy works? Find out about the technique, systems, and more at Edmund Optics.

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Basic Principles of Raman Scattering and Spectroscopy

Raman spectroscopy is a technique used to identify the chemical composition of samples based on how light scatters off of them. Learn more & view related optics

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Fluorescence Microscopy: In-Line Illumination with Imaging Filters

Want to know about fluorescence microscopy? Read this article by a Biomedical Product Line Engineer at Edmund Optics to learn more.

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Removing Protective Plastic Coating

A protective plastic coating protects a variety of our flat optics, such as optical windows, optical mirrors, and beamsplitters, from scratches during shipping.

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Parallelism

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Surface Flatness

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How do I clean my optics?

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Clear Aperture (CA)

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Edmund Optics Global Manufacturing Facilities

Edmund Optics® (EO) manufactures millions of precision optical components and subassemblies every year in our 5 global manufacturing facilities.

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Metrology at Edmund Optics: Measuring as a Key Component of Manufacturing

Learn about the metrology that Edmund Optics® uses to guarantee the quality of all optical components and assemblies.

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Common Specifications

Products

Technical Information

Accessories

Related Products

Resources

Confocal Microscopy

Advantages of using engineered chalcogenide glass for color corrected, passively athermalized LWIR imaging systems

Infrared Light

Short Wave Infrared (SWIR)

Advantages of Using Meniscus Lenses in Infrared Applications

The Correct Material for Infrared (IR) Applications

Is it okay to clean an infrared lens, for example one made of germanium, with ethanol?

Infrared (IR) Spectrum

Optical Filter Orientation

Custom Bandpass Filter using Shortpass and Longpass Filters

Optical Filters Review

Optical Filter Coatings: Comparison of Traditional and Hard-Sputtered

Selecting Color Filter Glass for Life Science Applications

What type of material should I look for in a filter?

How are notch filters designed and manufactured?

Bandpass Filter

Bandwidth

Cavity

Dichroic Coating

Dichroic Filter

Filter, Colored Glass

Ripple

What is SWIR?

Hyperspectral and Multispectral Imaging

UV vs. IR Grade Fused Silica

Hyperspectral & Multispectral Imaging – TRENDING IN OPTICS: EPISODE 7

You offer many substrates for UV and IR applications. How do I know which is best for me?

Trending in Optics: The Future of Optical Filters

Machine Vision Filter Technology

Fluorophores and Optical Filters for Fluorescence Microscopy

Optical Filters

Polarizers Review

Manipulating Wavebands: Color & Filters

What happens when a filter is tilted?

How do I determine which side of my filter is coated?

Blocking

Blocking Range

Central Wavelength (CWL)

Cold Mirror

Full Width at Half Maximum (FWHM)

Interference Filter

Notch Filter

Peak Transmittance

Rugate Notch Filter

Shortpass Filter

Fluorescence Imaging with Laser Illumination

How do I clean my filters?

What is the largest diameter filter available from Edmund Optics®?

What are some of the most common filter substrates?

How do I select the right filter for my application?

What types of filters can Edmund Optics® manufacture?

Do you have mounts for square or rectangular optics?

Cut-Off Wavelength

Cut-On Wavelength

Filter

Fluorescent Filter

Optical Density (OD)

Stopband

Optical Microscopy Application: Fluorescence

Basic Principles of Raman Scattering and Spectroscopy

Fluorescence Microscopy: In-Line Illumination with Imaging Filters

Removing Protective Plastic Coating

Parallelism

Surface Flatness

How do I clean my optics?

Clear Aperture (CA)

Edmund Optics Global Manufacturing Facilities

Metrology at Edmund Optics: Measuring as a Key Component of Manufacturing