In an elevator system according to one embodiment, an imaging unit performs an imaging operation to obtain an image of a hall, the doorway of a car and the vicinity of the doorway, a measuring unit measures an exposure amount of a specified detection area in the image, and a controller adjusts an exposure adjustment parameter of the imaging unit in accordance with the measured exposure amount. While the door is being opened, as the detection area, the controller specifies a detection area in the interior of the car, and notifies the measuring unit of the specified detection area, and while the door is being closed, as the detection area, the controller specifies a detection area in the hall, and notifies the measuring unit as the specified detection area.