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The AC400 is anti-reflection (AR) coated to limit glare and minimize reflection loss and is oleophobic coated to prevent finger print smudging and to keep oil and other solvents from collecting on the lens
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this separation makes it possible to post-process the red and blue channels for NDVI by performing the calculation: NDVI = (red – blue) / (red + blue)
Green Normalized Difference Vegetation Index GNDVI = (NIR – Green) / (NIR + Green)
Blue-Orange Shortpass Filter, 425-620nm - MidOpt SP625 Neutral Density The AC400 is anti-reflection (AR)The MidOpt SP625 Blue Orange Shortpass Filter is used to remove most of the red wavelengths and all of the near infrared (IR) light. Some camera sensors may have an overwhelming amount of red, affecting the color of the image; if this is the case, the SP625 may be a better option. MidOpt Shortpass Filters have a broad, Gaussian passband to mimic and accommodate the entire output of the most common LED wavelengths and are anti reflection (AR) coated to
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