Method, apparatus and program product for efficient display of an image at a targeted position in an image on a display screen by displaying, on the display screen, an image on which the targeted position is not displayed; setting a first position specified on the image displayed on the display screen, and a second position having a point symmetry with respect to a center of the displayed image; displaying the image while reducing a display magnification of the displayed image to a certain magnification to a degree with which the targeted position can be identified in the image, employing the second position as a center; and displaying the image while enlarging the displayed image to a certain magnification, employing the targeted position or a designated neighboring point as a center on the image obtained after the magnification change.