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Spectra Vista Corporation
29 Firemen's Way
Poughkeepsie, NY 12603
United States
Phone: +1 845-471-7007
Fax: +1 845-471-7020
Field of View in Field Spectroscopy: Why it Matters (and what you might be missing)
Monday, December 8, 2025
This paper explains why field of view is a critical but often overlooked factor in field spectroscopy. It outlines how FoV controls the actual ground area contributing to a measurement, how heterogeneity and directional effects introduce mixing and bias, and why mismatched footprints complicate validation against airborne or satellite data. It also highlights practical guidance and shows how instruments like those from Spectra Vista manage FoV through optical alignment and detector overlap. By clarifying how FoV shapes every spectrum collected, the paper helps readers diagnose hidden errors, design better sampling strategies, and gain a clearer understanding of what their instrument truly observed.