FILTERS FILTERS NARROW BANDPASS Select a narrow wavelength region of a much broader light spectrum. DISCOVER NARROW BANDPASS NEUTRAL DENSITY Reduce or attenuate the intensity of all wavelengths. DISCOVER NEUTRAL DENSITY LONG PASS Transmit light above the cut-off wavelengths and attenuate the lower wavelengths. DISCOVER LONG PASS DESIGN YOUR OWN FILTER We know that you have special requirements. Draw your filter in the chart and we will design and manufacture it for you! DESIGN YOUR OWN FILTER