The image processing apparatus produces a virtual light source image that is an image of an object lighted by a virtual light source. The apparatus includes a shape acquirer configured to acquire shape information relating to a shape of the object, a light source condition setter configured to set a first virtual light source condition as a condition relating to a virtual light source, depending on an image capturing mode indicating a type of a captured image acquired by image capturing of the object, on image type information indicating a selected one of multiple types of the virtual light source images or on an image capturing condition selected in the image capturing. The apparatus further includes an image producer configured to produce the virtual light source image by using the first virtual light source condition and the shape information.