Brief Introcuction of Bandpass Filters Bandpass filter through a designated waves,at the same time ,cutoff other disturbing light. Bandpass filter types producted by OPTOLONG including long pass filter, short pass filter, laser bandpass filter, fluorescent bandpass filter, multibandpass filter and negative filters. Widely applied to the field of laser, license plate recognition, vehicle wheel alignment, biochemical analysis, the CCD digital imaging, face / iris recognition, security cameras, infrared touch screen, somatosensory games and other high-tech optical instruments.

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