instantaneous field of view (IFOV)

Instantaneous Field of View (IFOV) is the instantaneous spatial resolution that can still be detected or seen at a certain distance. It refers to the smallest details that can still be detected in a Field of View display. IFOV interpretation is about the smallest details that can still be detected at a certain distance in a FOV display. The unit for Instantaneous Field of View (IFOV) is the milliradian (mRad).