MidOpt - BP450 Indigo Bandpass Filter

The MidOpt BP450 Indigo Bandpass Filter enhances the viewing of subjects illuminated by a 450nm blue LED or laser light source and any ultraviolet (UV)-excited blue fluorescence emission (420-470nm). Its broad bandwidth and high peak (T ≥90%) transmission results in significantly brighter, higher contrast images. For most machine vision UV fluorescence applications, a Bandpass Filter is absolutely necessary. MidOpt Bandpass Filters have a broad, Gaussian passband to mimic and accommodate the entire output of the most common LED wavelengths, are double-side polished for exceptional parallelism and optical flatness, are anti-reflection (AR) coated to limit glare and minimize reflection loss and have StablEDGE technology to reduce angular dependency and minimize the effects of short-shifting.