A controller is provided which includes a photographing control unit controlling an image pickup unit to take a photograph and a shake detecting unit detecting an amount of shake even time the image pickup unit takes a photograph. Here, the photographing control unit allows the image pickup unit to consecutively take a photograph and ends the photographing operation of the image pickup unit when the amount of shake detected by the shake detecting unit at the time of the photographing operation of the image pickup unit is larger than the amount of shake detected at the time of the previous photographing operation.