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Green Interference Bandpass Filter, 535-558nm - MidOpt Bi550 Neutral DensityThe MidOpt Bi550 Green Interference Bandpass Filter is designed to block unwanted ambient light when imaging subjects illuminated with 550nm green LEDs. They are also used to isolate the green vegetation signal used to arrive at EVI (Enhanced Vegetation Index) and other similar plant health numerical indices. MidOpt Bandpass Filters have a broad, Gaussian passband to mimic and accommodate the entire output of the most common LED wavelengths, are
when mounted in converted consumer cameras
the GM37527MCN ensures compatibility with a wide range of imaging sensors
license plate recognition and industrial inspection applications when there is overwhelming ambient light conditions and is suitable for laser diode and LED illumination
making it an ideal choice for surveillance systems that demand high-quality imaging
The Bi685 isolates the 685nm wavelength range used in some red light vegetative health indices
Healthy vegetation will absorb (not reflect) blue light and strongly reflect NIR
The MidOpt Bi808 Near-Infrared (IR) Interference Bandpass Filter can be used to highlight dyes used in labeling
The SP650 is useful to achieve natural color rendition with superior response in the blue channel
this separation makes it possible to post-process the red and blue channels for NDVI by performing the calculation: NDVI = (blue – red) / (blue + red)
featuring 70 Machine Vision Filters for testing in the ultraviolet (UV)
which can be beneficial for use with LEDs and laser diodes
The Bi385 is designed to block visible (VIS) through near-infrared (IR) wavelengths while passing UV light
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