A camera comprising: an image-capturing means that captures an image of a subject to acquire image data; and an image storing means that stores a plurality of image data acquired by the image-capturing means in a storage medium, characterised by further comprising: an image specifying means that specifies image data of the plurality of stored image data which has related information about the destination of a notification to be sent by an external device indicating that the image data is stored in the external device; and a transmission controlling means connected to the external device through a wireless communication device, configured so that when transmitting the plurality of image data to the external device, the transmission controlling means is arranged to identify the specified image data specified by the image specifying means, and non-specified image data, to which the notification destination information is not related, that are not specified by the image specifying means, and to transmit the specified image data to the external device through the wireless communication device in priority to the non-specified image data, and to transmit the related information about the destinations of notifications of the specified images to the external device. an image-capturing means that captures an image of a subject to acquire image data; and an image storing means that stores a plurality of image data acquired by the image-capturing means in a storage medium, characterised by further comprising: an image specifying means that specifies image data of the plurality of stored image data which has related information about the destination of a notification to be sent by an external device indicating that the image data is stored in the external device; and a transmission controlling means connected to the external device through a wireless communication device, configured so that when transmitting the plurality of image data to the external device, the transmission controlling means is arranged to identify the specified image data specified by the image specifying means, and non-specified image data, to which the notification destination information is not related, that are not specified by the image specifying means, and to transmit the specified image data to the external device through the wireless communication device in priority to the non-specified image data, and to transmit the related information about the destinations of notifications of the specified images to the external device. an image specifying means that specifies image data of the plurality of stored image data which has related information about the destination of a notification to be sent by an external device indicating that the image data is stored in the external device; and a transmission controlling means connected to the external device through a wireless communication device, configured so that when transmitting the plurality of image data to the external device, the transmission controlling means is arranged to identify the specified image data specified by the image specifying means, and non-specified image data, to which the notification destination information is not related, that are not specified by the image specifying means, and to transmit the specified image data to the external device through the wireless communication device in priority to the non-specified image data, and to transmit the related information about the destinations of notifications of the specified images to the external device.