(*) 1. In photography, the angle between two rays passing through the perspective center (rear nodal point) of a camera lens to the two opposite sides of the format. Not to be confused with angle of view. 2. The total solid angle available to the gunner when looking through the gunsight. Also called FOV.
FIELD OF VIEW
Meaning of FIELD OF VIEW in English
DOD English dictionary of military terms. Английский словарь военных терминов DOD. 2012