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There are a range of vegetation indices used in agriculture
The MidOpt LP900 Near-Infrared (IR) Longpass Filter sharply blocks light below 900nm while allowing longer wavelengths to pass
breakage- and solvent-resistant to withstand harsh environments and is half the weight of comparable glass windows
1550nm light is also generally considered to be “eye safe” (and safe for CMOS camera sensors)
Normalized Near Infrared NNIR = NIR / (NIR + Red + Green)
Neutral Density (ND) Filter - Absorptive 50% Transmission, 425-675nm - MidOpt ND030 Size:27mm There are a range ofThe MidOpt ND030 Neutral Density (ND) Filter has an optical density of 0. 3, or average 50% transmission across the visible (VIS) spectrum. The ND030 has identical male and female threads on either end so it can be stacked with other ND filters to achieve various optical densities. For example, two ND030 filters stacked together would perform approximately the same as one ND060 Filter. MidOpt ND Filters are double side polished for exceptional
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