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Normalized Red NR = Red / (NIR + Red + Green)
or average 25% transmission across the visible (VIS) spectrum
The MidOpt LP850 Near-Infrared (IR) Longpass Filter is a great option for eliminating overwhelming visible (VIS) and near-infrared (IR) ambient light
ENDVI analysis can provide more accurate information regarding plant or crop health by utilizing additional information from the blue portion of the spectrum
520 nm LEDs are typically used in bioanalytical applications
Circular Polarizer Filter, 400-700nm - MidOpt PC052 ND Normalized Red NR = RedThe MidOpt PC052 Circular Polarizer Filter is used to eliminate specular reflections and hot spots. Circular Polarizers in rotating mounts allow maximum flexibility and ease of use. However, in most machine vision applications we recommend using linear rather than circular polarizers. Circular polarizers are recommended for eliminating glare from spherical surfaces or in cases where an auto focus or metering system is used, involving a beamsplitter or
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