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<title><![CDATA[EC21 Product Catalogs - Optical Filter]]></title>
<link><![CDATA[https://www.ec21.com/ec-market/Optical_Filter--271307/1/Optical Filter.html]]></link><item>
<title><![CDATA[Infrared Customized Glass Optical Filters for Medical Facility]]></title><link><![CDATA[https://xinxingliangoptics12.en.ec21.com/Infrared_Customized_Glass_Optical_Filters--11974266_11974280.html]]></link><description><![CDATA[Optical Filter, an optical element. It is a tool used to select the desired radiation band of light to transmit and filter out the unwanted light waves. It is a plastic or glass sheet made by adding ]]></description><pubDate><![CDATA[20240724]]></pubDate></item>
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<title><![CDATA[Good Price Neutral Density Color Glass Filters Optical ND Filter]]></title><link><![CDATA[https://positiveoptics.en.ec21.com/Good_Price_Neutral_Density_Color--11970681_11970687.html]]></link><description><![CDATA[Neutral Density (ND) filters are designed to reduce transmission evenly across a portion of a specific spectrum. They are typically defined by their Optical Density (OD) which describes the amount of]]></description><pubDate><![CDATA[20240718]]></pubDate></item>
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<title><![CDATA[Optical Glass 900nm Short Pass Filter]]></title><link><![CDATA[https://syccooptics.en.ec21.com/Optical_Glass_900nm_Short_Pass--11952878_11952879.html]]></link><description><![CDATA[Optical Glass 900nm Short Pass Filter
Product Description
Coating Type: Hard film Coated
Technology: IAD Hard coating 
Typical Wavelength: SP490,SP550,SP590,SP600,SP650,SP700,SP800,SP990 , etc...
T a]]></description><pubDate><![CDATA[20240617]]></pubDate></item>
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<title><![CDATA[Optical Color Filter HB650 Longpass Filter, Red Glass Filter]]></title><link><![CDATA[https://worldhawkcindy.en.ec21.com/Optical_Color_Filter_HB650_Longpass--11486363_11486369.html]]></link><description><![CDATA[Optical color glass is also called Colored optical glass filters. It is mainly used as filters for observing, photograph, infrared instrument in order to improve the visibility or meet special spectr]]></description><pubDate><![CDATA[20240201]]></pubDate></item>
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<title><![CDATA[Optical Low Pass Filter]]></title><link><![CDATA[https://zhaksehtm.en.ec21.com/Optical_Low_Pass_Filter--10153476_10153508.html]]></link><description><![CDATA[OPTICAL LOW PASS FILTER
- APPLIED ON CCD SENSOR AND CMOS SENSOR AT CCTV CAMERA
The material is made from Russian optical quartz and blue glass of Hoya which had high quality.
and transmission, lowest]]></description><pubDate><![CDATA[20200831]]></pubDate></item>
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<title><![CDATA[Optical Bandpass Filter]]></title><link><![CDATA[https://daisydong147.en.ec21.com/Optical_Bandpass_Filter--10849537_10849627.html]]></link><description><![CDATA[Optical Filters are used to selectively transmit or reject a wavelength or range of wavelengths. Optical Filters are used in applications such as fluorescence microscopy, spectroscopy, clinical chemi]]></description><pubDate><![CDATA[20181108]]></pubDate></item>
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<title><![CDATA[Optical Color Glass Filter Customized Factory Supply Color Glass]]></title><link><![CDATA[https://june20210728.en.ec21.com/Optical_Color_Glass_Filter_Customized--11547959_11548042.html]]></link><description><![CDATA[Product Description
Optical color glass filter
It&apos;&apos;s
fabricated by special color glass material. Color Glass Filters are 
designed by their manufacturers to transmit and / or absorb different 
wavele]]></description><pubDate><![CDATA[20230922]]></pubDate></item>
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<title><![CDATA[Optical Filter]]></title><link><![CDATA[https://bill2021.en.ec21.com/Optical_Filter--11096792_11096901.html]]></link><description><![CDATA[All kinds of bespoke optical filters:
IR bandpass filters
UV bandpass filters
heat absorbing filters 
Our products mainly consist of optical lenses, prisms, optical windows, precision flats, waveplat]]></description><pubDate><![CDATA[20200407]]></pubDate></item>
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<title><![CDATA[308nm 254nm 190nm UV Bandpass Filter for Excimer Laser]]></title><link><![CDATA[https://meticulab.en.ec21.com/308nm_254nm_190nm_UV_Bandpass--12070016_12070972.html]]></link><description><![CDATA[Filter | 190nm / 254nm / 308nm
Brand: METICULAB | Model: MET-UV-BP Series
📘 Product Overview
METICULAB UV bandpass filter is a high-performance narrowband optical filter designed for deep UV to ne]]></description><pubDate><![CDATA[20260429]]></pubDate></item>
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<title><![CDATA[Filters]]></title><link><![CDATA[https://albrighter.en.ec21.com/Filters--10771415_11765972.html]]></link><description><![CDATA[Band-pass filter is a kind of optic that can allow specific wavelength light pass and others reflect or cut off. It has many kinds of application like clinical medicine, environmental experiment, flu]]></description><pubDate><![CDATA[20230407]]></pubDate></item>

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