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0% transmission across the visible (VIS) spectrum
Chlorophyll Vegetation Index CVI = (NIR * Red) / (Green ^ 2)
The MidOpt LP170 Fused Silica Protective Window is made from an ultra-pure
light from deeper UV excitation sources and deep red and near-IR (NIR) wavelengths
Neutral Density (ND) Filter - Absorptive 0.01% Transmission, 425-675nm - MidOpt ND400 ND 0% transmission across the visibleThe MidOpt ND400 Neutral Density (ND) Filter has an optical density of 4. 0, or average 0. 01% transmission across the visible (VIS) spectrum. The ND400 has identical male and female threads on either end so it can be stacked with other ND filters to achieve various optical densities. Because the glass substrate is absorbing 99. 9% of the light that passes into the filter, these filters are not recommended for use with lasers or immediately in front
US$ 121.90
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US$ 86.90