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Normalized Difference Vegetation Index (NDVI) is most common
The ND090 has identical male and female threads on either end so it can be stacked with other ND filters to achieve various optical densities
The MidOpt LP920 Near-Infrared (IR) Longpass Filter blocks visible (VIS) and unwanted near-IR wavelengths and is designed for use with 940nm LED illumination
When used as a secondary scanner (simultaneously with a primary
Narrow Indigo Bandpass Filter, 435-465nm - MidOpt BN450 Size:25.5mm Normalized Difference Vegetation Index (NDVI)The MidOpt BN450 Narrow Indigo Bandpass Filter is commonly used in fluorescence applications with an emission ranging from 430 460nm. The BN450 is recommended for use in LED or laser diode applications with higher than normal ambient lighting conditions. It's ideal for applications utilizing 450nm blue laser triangulation sensors. MidOpt Bandpass Filters have a broad, Gaussian passband to mimic and accommodate the entire output of the most common LED