An image capture device for recording HDR (high dynamic range) image data obtained through image capture, comprising: an image sensor; encoding means for encoding HDR image data obtained by capturing an image with the image sensor; and recording control means for dividing part of the HDR image data captured by the image sensor, corresponding to a coding area to be encoded, into a plurality of divided HDR image data, encoding each of the divided HDR image data by using the encoding means, and recording the plurality of encoded divided HDR image data on a recording medium in a predetermined recording format, wherein the predetermined recording format is HEIF (High Efficiency Image File Format), wherein the recording control means performs control so as to record each of the plurality of divided HDR image data as an image item and record an HDR image constituted by the plurality of divided HDR image data as a derived image item obtained by processing the plurality of image items, wherein the recording control means performs control to record the HDR image constituted by the plurality of divided HDR image data in an overlay format in which a number of image items at arbitrary locations may be combined and record location information regarding each of the plurality of divided HDR image data as overlay information in the overlay format such that the plurality of divided HDR image data are arranged to have locations corresponding to the coding area, or the recording control means performs control to record the HDR image constituted by the plurality of divided HDR image data in a grid format in which all image items are of a same size and a plurality of image items are arranged according to a predetermined grid order. an image sensor; encoding means for encoding HDR image data obtained by capturing an image with the image sensor; and recording control means for dividing part of the HDR image data captured by the image sensor, corresponding to a coding area to be encoded, into a plurality of divided HDR image data, encoding each of the divided HDR image data by using the encoding means, and recording the plurality of encoded divided HDR image data on a recording medium in a predetermined recording format, wherein the predetermined recording format is HEIF (High Efficiency Image File Format), wherein the recording control means performs control so as to record each of the plurality of divided HDR image data as an image item and record an HDR image constituted by the plurality of divided HDR image data as a derived image item obtained by processing the plurality of image items, wherein the recording control means performs control to record the HDR image constituted by the plurality of divided HDR image data in an overlay format in which a number of image items at arbitrary locations may be combined and record location information regarding each of the plurality of divided HDR image data as overlay information in the overlay format such that the plurality of divided HDR image data are arranged to have locations corresponding to the coding area, or the recording control means performs control to record the HDR image constituted by the plurality of divided HDR image data in a grid format in which all image items are of a same size and a plurality of image items are arranged according to a predetermined grid order.