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It can improve the separation of subject matter from the background
this separation makes it possible to post-process the red and blue channels for NDVI by performing the calculation: NDVI = (red – blue) / (red + blue)
It isolates the wavelength region where the most rapid change in reflectance occurs in foliage
The MidOpt SP625 Blue-Orange Shortpass Filter is used to remove most of the red wavelengths and all of the near-infrared (IR) light
Neutral Density Swatch Filter Kit - MidOpt NS100 Neutral Density It can improve the separationThe MidOpt NS100 Neutral Density Swatch Filter Kit is a portable filter kit that makes it easy and convenient to solve applications on site. It includes 7 of the most commonly recommended Neutral Density Machine Vision Filters. (Note: The main MidOpt filter line has a tighter surface quality spec than the NS100. Filters included in the NS100 have a surface quality of 60 40.)
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