angle of view

1. The angle between two rays passing through the perspective center (rear nodal point) of a camera lens to two opposite corners of the format.
2. In photogrammetry, twice the angle whose tangent is one-half the length of the diagonal of the format divided by the calibrated focal length.

Thesaurus

Noun

1.

angle of view - the angle included by a photographic lens view angle angle - the space between two lines or planes that intersect; the inclination of one line to another; measured in degrees or radians