Long wavelengths can pass through a longpass filter. A longpass filter is characterized by the fact that a range of low transmission (blocking range) in the short wavelength region is joined to an area of high transmission (pass band) in the long wavelength region.


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Find the right filter glass with our Interactive Filter Diagram or use our Filter Calculation Tool.

Do you need more information, samples, a quote, or advice for a project? We are delighted to offer you individual solutions.

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  • Cut Off Wavelength in the UV-, NIR- and VIS- spectrum


Für kleinere Mengen an optischen Filtern in Standardabmessungen, oder Ihre kundenspezifischen Geometrien, bietet auch unser Partner Edmund Optics exzellenten Service

Unser Vertriebspartner in Grossbritannien ist H.V.SKAN Ltd.

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SCHOTT Advanced Optics, with its deep technological expertise, is a valuable partner for its customers in developing products and customized solutions for applications in optics, lithography, astronomy, opto-electronics, life sciences, and research. With a product portfolio of more than 60 optical glass filters we master the value chain: from customized glass development to high-precision optical product finishing and metrology.