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940nm LEDs don't emit the faint red glow associated with 850nm and other lower near-IR (NIR) LED wavelengths
The MidOpt SP644 Near-Infrared (IR) / Mid-Red Dichroic Block Shortpass Filter is mainly used as an internal IR blocking filter in color cameras
The substrate material is a precision polished absorptive filter glass that blocks deep red and near-IR (NIR) wavelengths
Because of the ample passband and excellent in-band transmission
The MidOpt TB550/660/850 Triple Bandpass Green + Red + 850nm Near-Infrared (IR) Filter is primarily designed for aerial agriculture mapping and surveying
Violet Intereference Bandpass Filter, 400-415nm - MidOpt Bi405 Protective 940nm LEDs don't emit theThe MidOpt Bi405 Violet Interference Bandpass Filter can be beneficial for removing ambient light in order to image subjects illuminated with 405nm laser diodes. 405nm wavelength is commonly used in Blu ray applications similar to blacklite filters and also in fluorescence applications. 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