For the purpose of preventing a reduction in the range of expressions while respecting the intent of a user who has designated imaging conditions, an image acquisition device (1) according to the present invention includes: an imaging unit (2) that acquires image data; a settings storage unit (4) that stores a plurality of parameter sets each consisting of a combination of a plurality of parameters including imaging conditions and development conditions; a change obtaining unit (5) that obtains a change, from a reference parameter, in one of the parameters relating to the imaging conditions designated by the user at the time of the acquisition of the image data by the imaging unit (2); a settings selecting unit (6) that extracts and presents parameter sets involving changes in the same direction as the change in the changed parameter in the case where the change in the parameter has been obtained by the change obtaining unit (5), so as to allow selection by the user; and a developing unit (7) that develops th