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Featured

menu satellite communication space based optical systems

Satellite Communications (SatCom)

Advanced optical filters that enhance the performance of ground-, air- and space-based satellite communication systems.

Featured

chroma silicon wafer semiconductor inspection

Semiconductor Inspection and Metrology

Optical filters play a crucial yet often overlooked role in semiconductor manufacturing, where nanoscale precision can make or break a product.

Astronomy

We manufacture high-quality, narrow-band spectral line filters for detecting ionized sulfur, oxygen, and other elements.

Colorimetry

CIE Tristimulus filters are durable sputter-coated dielectric filters developed to meet demanding requirements.

Life Sciences

Expertise in optical filter technology, a deep understanding of applications in life sciences and clinical instrumentation.

Machine Vision

Filters play a crucial role in enhancing clarity, color accuracy, and contrast in machine vision applications where details matter.

Microscopy

An extensive range of solutions, from the ultraviolet to the infrared, for major microscope brands and custom-built systems.

Raman

Raman filters are ideal when you need higher transmission values, fast transitions, and superior blocking to keep out unwanted photons.

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Engineering and Custom Solutions

Expert guidance and comprehensive support from initial consultation to final implementation, including customized solutions.

Manufacturing Optical Coatings

Manufacturing capabilities for high-performance optical filters involve precision techniques like thin-film coating and optical design.

Metrology

State-of-the-art equipment ensures the quality of optical components by conducting in-house testing for imaging performance.

Rapid Prototyping

In the dynamic landscape of rapid product development, transforming ideas into prototypes swiftly is essential across diverse applications.

Working with Chroma

Experienced in serving the scientific, biomedical, and photonics communities we know how to design and deliver optical filters.

89 North - Light Engines

Optical Engineering for design and manufacturing needs, we’re building unique and innovative OEM manufacturing solutions today.

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Aerospace

Satellite imaging, remote sensing, or aircraft instrumentation, our optical filters ensure precision and clarity, vital for navigation, reconnaissance, and scientific exploration.

Astronomy

High-performance optical filters specifically designed, our precision-engineered filters enable astronomers to achieve clearer views of celestial objects.

Consumer Electronics

In the consumer electronics market, optical filters offer enhanced imaging capabilities for displays, cameras, and smartphones.

Industrial

Our filters optimize industrial processes like machine vision and quality control, fostering efficiency and innovation across diverse sectors.

Life Sciences

Tailored for life sciences applications, offering precision and reliability to enhance imaging solutions such as fluorescence microscopy and cellular imaging.

Filter Types

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Bandpass & Edge Filters

Longpass Filters
Multiband Bandpass Filters
Shortpass Filters
Singleband Bandpass Filters

Beamsplitters

Dichroic Beamsplitters
Beamsplitters (50/50, etc.)
Multiband Dichroic Beamsplitters

Fluorescence

Emission Filters
Excitation Filters

Other Products

Neutral Density Filters
Notch Rejection Filters
Polarizers
Reflective Mirrors

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Filter Set Types

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Bandpass & Edge Sets

Longpass Filter Sets
Shortpass Filter Sets
Singleband Bandpass Filter Sets
Brightfield Sets

Multi Bandpass

Multiband Excitation/Multiband Emission
Multiband Excitation/Singleband Emission
Singleband Excitation/Multiband Emission
Singleband Excitation/Singleband Emission

Fluorescence

FISH
FRET
Ratiometric
TIRF

Other Sets

Astronomy
Machine Vision
Raman

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Product Families

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Filter Accessories

Cubes, Sliders and Rings
Diagnostic Slides

Light Engines by 89 North

Learn more about 89 North

Download Catalogs

English Catalog of Filters and Filter Sets
Japanese Catalog of Filters and Filter Sets

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Quality

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News & Press Releases

BF Firm's Products Play Key Role in Testing

Restaurants may be closed, supermarkets may display empty shelves, and small businesses may be afraid of going bankrupt, but at least one Windham County company is doing well in the heart of the COVID…

Apr 2020

Joyce Marcel

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BF Firm's Products Play Key Role in Testing

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