Machine Vision Filter BP850 Near-IR Bandpass Filter For Machine Vision 25.5mm Lens Filter Peak transmission greater than 90% BP850-25.5 Broad Bandwidth NIR Bandpass Filter with M25.5x0.5 Thread from Midwest Optical Systems Surface Quality: 40/20 scratch/dig MidOpt Bandpass Filters are specially designed for industrial imaging, and are used in a variety of industries including machine vision, factory automation, security and surveillance, license plate recognition, medical and life science, agricultural inspection, aerial imaging, motion analysis, photography and cinematography.The BP Series are... The BP Series are the most popular filters used in machine vision and factory automation systems. MidOpt Bi850 Near-IR Interference Bandpass Filter | Midwest Optical Systems Designed for use with near-IR LED lighting (840nm & 850nm) and outdoor applications