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blocks ultraviolet (UV) and near-infrared (IR) wavelengths and is useful in applications where intense sunlight or other interfering ambient light may be present
The MidOpt BN470 Narrow Blue Bandpass Filter is commonly used in fluorescence applications or in LED or laser diode applications with higher than normal ambient lighting conditions
Using a DB940 filter over or behind the lens allows full color imaging during the day and covert surveillance at night
1550nm light is also generally considered to be “eye safe” (and safe for CMOS camera sensors)
Narrow Near-Infrared (IR) Bandpass Filter, 928-955nm - MidOpt BN940 Bandpass blocks ultraviolet (UV) and near-infraredThe MidOpt BN940 Narrow Near Infrared (IR) Bandpass Filter is commonly used in remote control devices and in security surveillance lighting. 940nm illumination is often considered covert, as little, if any, faint red glow is produced from these LEDs, even in complete darkness. CCD and CMOS cameras have greatly reduced sensitivity at these wavelengths, and strong ambient light can often make imaging in this range very difficult. MidOpt Bandpass Filters
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