Spectrometer Resources Center

In field spectroscopy, field of view determines the spatial footprint of a measurement and directly influences spectral mixing, directional effects, and validation accuracy. Field spectroscopy gives us extraordinarily rich spectral detail about Earth’s surfaces, but there’s a deceptively simple technical parameter that often controls whether those measurements are meaningful: the instrument’s field of view (FoV). FoV — the angular extent of ground the spectrometer “sees” — determines the spatial footprint of each measurement, and it