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830nm Bandpass Filter 830nm Infrared Filters Optical Band Pass Filter. Customized Shape: Shape can be customized according to specific requirements. High Transmittance: Transmittance exceeds 95% at the central wavelength. Wide Blocking Range: Blocking range from 200nm to 2000nm with OD2-OD6 depth. RoHS & ISO Certified: Products comply with RoHS, REACH, and ISO9001 standards. 20 Years Experience: Over 20 years of expertise in optical filter manufacturing. OEM Service Available: OEM services available for central wavelength and FWHM. 100% Inspection: Finished products undergo 100% visual and function inspection. 5-Year Warranty: Comprehensive 5-year warranty coverage for quality assurance.