Where to Buy Neutral Density Filters
Neutral density filters are optical attenuators that provide consistent attenuation across a wide wavelength range, such as the visible or infrared spectrum. They can be either absorbing or reflective, depending on power handling requirements, and are used in photography and various photonics applications.
More general products: optical attenuators, optical filters
Related product category: optical components and devices
Before You Buy: Learn About Neutral Density Filters
With its comprehensive resources, RP Photonics helps you to well prepare purchase decisions:
- Encyclopedia article: Neutral Density Filters
- Related articles: optical attenuators, optical filters
- For responsible purchase decisions: apply good practices
Some aspects to consider before buying neutral density filters: spatial and spectral attenuation consistency, wavelength range, power handling capacity, optical quality, durability, environmental resistance, cleaning options, mounting, integration with systems.
Manufacturers and Other Suppliers for Neutral Density Filters
40 suppliers for neutral density filters (ND filters) are listed in the RP Photonics Buyer's Guide, out of which 4 present their product descriptions. Both manufacturers and distributors can be registered.
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| Suppliers with Advertising Package presenting their product descriptions | |
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| Company | Product Description |
 The Future Depends on Optics 101 East Gloucester Pike Barrington, NJ 08007 United States |  Edmund Optics offers a wide variety of neutral density filters for ultraviolet (UV), visible and infrared applications. Neutral density filter kits are available, which include a number of filters in a range of optical densities. Stepped ND filters are also available, which offer a number of optical densities on a single filter, ideal for lab or R&D integration. See us at VISION 2024 in Stuttgart, Oct. 08–10 (booth 10 D 50), SPIE Photonex UK 2024 in Manchester, UK, Oct. 30–31 (booth 208), Optics & Photonics Sweden 2024 in Gothenburg, Nov. 5–8 (booth LE 21), Compamed Düsseldorf in Düsseldorf, Germany, Nov. 11–14 (booth A8C11) and Advanced Solid State Lasers Conference in Osaka, Japan, Oct. 20–24 (booth 120)! |
 Bringing quality into focus 1130 Ten Rod Road Suite D102 North Kingstown Rhode Island 02852 United States  www.knightoptical.comFacebook LinkedIn X YouTube E-mail: (See the company profile page for additional contact information.) ISO 9001:2015 |  Knight Optical has a range of neutral density (ND) filters available from our stock catalogue, including glass, gelatin, and metallic ND filters. Our absorptive glass ND filters are manufactured from Schott (or equivalent) filter glass and work by attenuating the light through absorption, unlike our metallic ND filters which reflect unwanted light. Custom ND filters are also available. |
 Your reliable partner for photonics innovations! Dvarcioniu St. 2B LT-10233 Vilnius Lithuania ISO 9001:2015 |  EKSMA Optics has standard neutral density (ND) reflective (at 400–2000 nm) and absorption type (at 450–650 nm) filters. |
 Hangzhou Shalom Electro-optics Technology Co., Ltd. A635, Boke Mansion No. 9 Xiyuan Road Xihu District, Hangzhou 310030 China ISO 9001:2015 |  Shalom EO offers both reflective and absorbing type neutral density filters for use in a wide wavelength range. Our reflective type filter product series consist of UV ND filters (250-380 nm), VIS ND filters(400-700 nm), VIS-NIR ND filters (400-1100 nm), circular variable ND filters, rectangular continuously variable ND filters, and germanium substrate IR reflection ND filters. Substrate materials include UV fused silica, BK7 and germanium. As for filters of absorbing type, we offer colored glass absorbing filters. |
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| All Suppliers | |
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| From your country: | |
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4 Commercial Drive Salem, NH 03079–2800 United States | |
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200 Dorado Place SE Albuquerque, NM 87123 United States | |
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200 Baker Avenue Suite 301 Concord, MA 01742 United States | www.dynasil.com E-mail: |
The Future Depends on Optics 101 East Gloucester Pike Barrington, NJ 08007 United States | Edmund Optics offers a wide variety of neutral density filters for ultraviolet (UV), visible and infrared applications. Neutral density filter kits are available, which include a number of filters in a range of optical densities. Stepped ND filters are also available, which offer a number of optical densities on a single filter, ideal for lab or R&D integration. See us at VISION 2024 in Stuttgart, Oct. 08–10 (booth 10 D 50), SPIE Photonex UK 2024 in Manchester, UK, Oct. 30–31 (booth 208), Optics & Photonics Sweden 2024 in Gothenburg, Nov. 5–8 (booth LE 21), Compamed Düsseldorf in Düsseldorf, Germany, Nov. 11–14 (booth A8C11) and Advanced Solid State Lasers Conference in Osaka, Japan, Oct. 20–24 (booth 120)! |
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239 Cherry Street Ithaca, NY 14850 United States | |
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PMB 126 / 1225 Providence Rd. Whitinsville, MA 01588 United States | www.esourceoptics.com E-mail: |
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1014 E. 21st Street Suite A Brooklyn, NY 11210 United States | |
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3150 Molinaro Street Santa Clara, CA 95054 United States | www.iosoptics.com E-mail: |
Bringing quality into focus 1130 Ten Rod Road Suite D102 North Kingstown Rhode Island 02852 United States www.knightoptical.comFacebook LinkedIn X YouTube E-mail: (See the company profile page for additional contact information.) ISO 9001:2015 | Knight Optical has a range of neutral density (ND) filters available from our stock catalogue, including glass, gelatin, and metallic ND filters. Our absorptive glass ND filters are manufactured from Schott (or equivalent) filter glass and work by attenuating the light through absorption, unlike our metallic ND filters which reflect unwanted light. Custom ND filters are also available. |
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130 Starry Drive Manchester Center, VT 05255 United States | |
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21 Omega Drive Brattleboro, VT 05301 United States | www.omegafilters.com E-mail: |
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521 Great Road Suite #1 Littleton, MA 10460 United States | www.optometrics.com E-mail: |
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1055 Mensch Dam Road Pennsburg, PA 18073 United States | |
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1020 Calle Sombra San Clemente, CA 92673 United States | www.reynardcorp.com E-mail: |
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31 Jetview Drive Rochester, NY 14624 United States | www.sydor.com E-mail: |
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9177 Dutton Drive Twinsburg, Ohio 44087 United States | www.visimaxtechnologies.com E-mail: |
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Beijing Golden Way Scientific Co. Ltd. Mr. Jinyong Li Room A-21 E/5F M7, No.1, Jiuxianqiao East Road, Chaoyang District, Beijing 100016 China | |
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20 Fuxing Street 350014 Fuzhou, Fujian China | www.casix.com E-mail: |
Your reliable partner for photonics innovations! Dvarcioniu St. 2B LT-10233 Vilnius Lithuania ISO 9001:2015 | EKSMA Optics has standard neutral density (ND) reflective (at 400–2000 nm) and absorption type (at 450–650 nm) filters. |
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Dübendorfstr. 11a 8117 Fällanden Switzerland | |
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511 Hashita 9955256 Beit Shemesh Israel | ilphotonics.com E-mail: |
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158 Haitong Road Shanghai 200001 China | |
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Werner-von-Siemens-Straße 15 82140 Olching Germany | www.lasercomponents.com E-mail: |
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Tunavägen 281 781 73 Borlänge Sweden | www.lc-tec.se E-mail: |
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Bertha-von-Suttner Strasse 5 37085 Göttingen Germany | |
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Taubenbacher Weg 80 98739 Schmiedefeld Germany | |
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Albert-Einstein-Str. 18 86899 Landsberg am Lech Germany | |
Optics and Allied Engineering Pvt. Ltd. 9Q, 1st Phase, Jigani Link Road Bommasandra Industrial Area Bangalore – 560 099 India | www.opticsindia.com E-mail: |
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Loddon Business Park Loddon, Norfolk NR14 6JD United Kingdom | www.displaywindows.com E-mail: |
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3523 Timber Market Ambala Cantt 133001 Haryana India | www.reliable-instruments.com E-mail: |
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Ringstraße 132 55543 Bad Kreuznach Germany | |
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Hattenbergstr. 10 55122 Mainz Germany | |
Hangzhou Shalom Electro-optics Technology Co., Ltd. A635, Boke Mansion No. 9 Xiyuan Road Xihu District, Hangzhou 310030 China ISO 9001:2015 | Shalom EO offers both reflective and absorbing type neutral density filters for use in a wide wavelength range. Our reflective type filter product series consist of UV ND filters (250-380 nm), VIS ND filters(400-700 nm), VIS-NIR ND filters (400-1100 nm), circular variable ND filters, rectangular continuously variable ND filters, and germanium substrate IR reflection ND filters. Substrate materials include UV fused silica, BK7 and germanium. As for filters of absorbing type, we offer colored glass absorbing filters. |
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No. 1, Lane 15, Aixin East Longcheng Street, Longgang District Shenzhen, Guangdong China | |
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10 Bukit Batok Crescent #07–02 The Spire Singapore 658079 | |
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Sobieskiego 49 05–410 Józefów Poland | |
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Box 7071 187 12 Täby Sweden | |
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No. 1567 Liu Ying Lu Kuan Cheng District Chang Chun China | |
Hangzhou Yong Hee Photonics Co., Ltd. No. 39, Xiang Yuan Road Gong Shu District Hangzhou, 310011 China | |
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Yuan Chuang Yue Fu, Qiche Zone Changchun 130000 China | |
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