Apogee Instruments S2-411 Owner's Manual - Page 8

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Spectral Response Graph of NDVI

The spectral range of the NDVI

sensors is defined by a center

wavelength of 650 nm

with 65

± 5 nm

nm full-width half-maximum (Red)

and 810 nm

with 65 nm full-

± 5 nm

width half-maximum (NIR). Measured

spectral responses are plotted in the

graph.