An image-capturing device, comprising: an image-capturing unit including a plurality of image-capturing pixels, that captures an image formed via a photographic optical system; a display unit that displays the image captured by the image-capturing unit; an operation member enabling a setting operation to be performed on the image captured by the image-capturing unit on display in order to set a position of an enlargement area of the display which is to be enlarged; an area setting unit that sets a position of a read area, which is a partial area within the image-capturing pixels which includes the enlargement area having been set by the operation member; and a control unit that reads out image data of the read area set by the area setting unit and brings up on display at the display unit an enlarged image of the enlargement area by using image data obtained from a portion of the image data of the read area having been read out in response to an enlarged display execution instruction, so that the enlargement area is displayed in enlargement, wherein: there are provided a first display mode in which an image is displayed based upon image data read out from all pixels present in the partial area within the image-capturing pixels and a second display mode in which an image is displayed based upon image data obtained through a culling read operation from the image-capturing pixels; the operation member allows the enlargement area position for achieving the enlarged display to be set by a user on the image captured by the image-capturing unit on display in the second display mode; the area setting unit sets the position of the read area, which includes the enlargement area, within the image-capturing pixels to be read out in the first display mode; and the control unit brings up the enlarged image of the enlargement area on display at the display unit in the first display mode. an image-capturing unit including a plurality of image-capturing pixels, that captures an image formed via a photographic optical system; a display unit that displays the image captured by the image-capturing unit; an operation member enabling a setting operation to be performed on the image captured by the image-capturing unit on display in order to set a position of an enlargement area of the display which is to be enlarged; an area setting unit that sets a position of a read area, which is a partial area within the image-capturing pixels which includes the enlargement area having been set by the operation member; and a control unit that reads out image data of the read area set by the area setting unit and brings up on display at the display unit an enlarged image of the enlargement area by using image data obtained from a portion of the image data of the read area having been read out in response to an enlarged display execution instruction, so that the enlargement area is displayed in enlargement, wherein: there are provided a first display mode in which an image is displayed based upon image data read out from all pixels present in the partial area within the image-capturing pixels and a second display mode in which an image is displayed based upon image data obtained through a culling read operation from the image-capturing pixels; the operation member allows the enlargement area position for achieving the enlarged display to be set by a user on the image captured by the image-capturing unit on display in the second display mode; the area setting unit sets the position of the read area, which includes the enlargement area, within the image-capturing pixels to be read out in the first display mode; and the control unit brings up the enlarged image of the enlargement area on display at the display unit in the first display mode. there are provided a first display mode in which an image is displayed based upon image data read out from all pixels present in the partial area within the image-capturing pixels and a second display mode in which an image is displayed based upon image data obtained through a culling read operation from the image-capturing pixels; the operation member allows the enlargement area position for achieving the enlarged display to be set by a user on the image captured by the image-capturing unit on display in the second display mode; the area setting unit sets the position of the read area, which includes the enlargement area, within the image-capturing pixels to be read out in the first display mode; and the control unit brings up the enlarged image of the enlargement area on display at the display unit in the first display mode.