Focal length and field of view are inversely related for a fixed sensor size and given by the equation 2arctan(h/2f). Decreasing len’s focal length in proportion to sensor size maintains the field of view.
Focal length and field of view are inversely related for a fixed sensor size and given by the equation 2arctan(h/2f). Decreasing len’s focal length in proportion to sensor size maintains the field of view.