Camera.fieldOfView

var fieldOfView : float

Description

The field of view of the camera in degrees.

This is the vertical field of view; horizontal FOV varies depending on the viewport's aspect ratio. Field of view is ignored when camera is orthographic (see orthographic). See Also: camera component

JavaScript
// Set the camera's FOV attached to the same game object to 60
camera.fieldOfView = 60;

Another example using specifically the main camera.
JavaScript
// Set the main camera's field of view to 80
Camera.main.fieldOfView = 80;