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



Distribution Partner

For smaller quantities of polished optical filters in standard dimensions or your customer-specific geometries, our partner

Edmund Optics

also offers excellent service.



Our Distributor in Great Britain is



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.