An imaging apparatus is adapted to shoot a subject at two or more different viewpoints to obtain a right viewpoint image and a left viewpoint image, or multi-viewpoint images, with parallax that are to be merged together into a 3D image. The apparatus includes a monitor for displaying the image to be taken upon shooting; an input device for inputting an indispensable output area which an user wants to be included in the 3D image outputted; and a control unit for causing the indispensable output area and an area out of mergence, which is unable to be included in the 3D image in accordance with the amount of parallax between the right viewpoint image and the left viewpoint image, or between the multi-viewpoint images, to be merged together into the 3D image, to be indicated in the image to be taken.