MidOpt Dual Bandpass Filter Visible + 940nm NIR DB940

A DB940 filter passes visible and 940nm LED light. 940nm LEDs do not emit the faint red glow associated with 850nm and other lower near-IR LED wavelengths. Using a DB940 filter over or behind the lens allows full color imaging during the day and covert surveillance at night. However any cameras spectral response at 940nm will be lower than at other, shorter near-IR wavelengths, so relative sensitivity of each cameras imaging sensor at 940nm must also be considered.