noun
visual angle
Technical term in optics, vision science, and display technology. Refers to the angle subtended by an object at the eye.
視角が大きいほど、物体は大きく見える。
The larger the visual angle, the larger the object appears.
このディスプレイの視角は広い。
This display has a wide viewing angle.
Compound of 視 (shi, 'seeing, visual') and 角 (kaku, 'angle'). A straightforward Sino-Japanese technical term.