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It's sometimes used with fiber optic lighting
Use of a Bi750 placed filter over the camera sensor or camera’s objective lens can eliminate interfering VIS and longer wave near-IR (NIR) light in order to greatly improve contrast / detection
The Bi525 is recommended for systems that use 520nm green laser diodes or 520nm / 525nm green LED light sources
The MidOpt Bi830 Near-Infrared (IR) Interference Bandpass Filter is recommended for use with commonly used IR LED or laser diode illuminators operating at or very close to the 830nm wavelength
Dual Bandpass Filter Visible (VIS) + 940nm Near-Infrared (IR) Filter - MidOpt DB940 GOYO It's sometimes used with fiberThe MidOpt DB940 Dual Bandpass Filter Visible (VIS) + 940nm Near Infrared (IR) Filter passes VIS and reflects 940nm LED light without impacting system Modulation Transfer Function (MTF). 940nm LEDs don't emit the faint red glow associated with 850nm and other lower near IR (NIR) 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