1. An image-capturing apparatus capable of adjusting an angle of view, comprising: a detection unit that detects a predetermined subject from a captured image; setting unit that sets an area of the captured image as an auto-zooming frame, wherein the area includes a plurality of subjects selected by a user from among the detected subjects; and a control unit that adjusts the angle of view so that the entire area of the auto-zooming frame can be captured, wherein the subject detection, the auto-zooming frame setting, and the angle of view adjustment are continuously performed on a plurality of captured images that are consecutively captured.