An image projection apparatus configured to display a projected image by projecting a plurality of color light beams through an attachable projection lens on a projection target surface, said image projection apparatus comprising: at least one light modulation element that includes a plurality of modulation pixels and is configured to modulate the plurality of color light beams; a lens attachable portion to which one of a plurality of attachable projection lenses (160a, 160b, 160c) having mutually different optical characteristics can interchangeably be attached for use as the projection lens; and a drive signal producer configured to produce, for each color light beam, a drive signal used to drive the at least one light modulation element based on an input image signal, wherein the drive signal producer comprises an information acquirer configured to acquire information on the optical characteristic of the projection lens attached to the lens attachable portion, characterized in that the drive signal producer further comprises a signal corrector configured to use the acquired information on the optical characteristic to produce a corrected drive signal corresponding to at least one of the plurality of color light beams, thereby reducing an influence of a display pixel shift in the projected image whose amount is smaller than a size of the modulation pixel, the display pixel shift in the projected image being caused by a chromatic aberration of the attached projection lens, wherein the acquired information on the optical characteristic indicates the amount of the display pixel shift in the projected image at each of a plurality of points of the projected image, the amount of the display pixel shift in the projected image being expressed as a value corresponding to a distance to each of the plurality of points from an intersection between the projection target surface and an optical axis of the attached projection lens. at least one light modulation element that includes a plurality of modulation pixels and is configured to modulate the plurality of color light beams; a lens attachable portion to which one of a plurality of attachable projection lenses (160a, 160b, 160c) having mutually different optical characteristics can interchangeably be attached for use as the projection lens; and a drive signal producer configured to produce, for each color light beam, a drive signal used to drive the at least one light modulation element based on an input image signal, wherein the drive signal producer comprises an information acquirer configured to acquire information on the optical characteristic of the projection lens attached to the lens attachable portion, characterized in that the drive signal producer further comprises a signal corrector configured to use the acquired information on the optical characteristic to produce a corrected drive signal corresponding to at least one of the plurality of color light beams, thereby reducing an influence of a display pixel shift in the projected image whose amount is smaller than a size of the modulation pixel, the display pixel shift in the projected image being caused by a chromatic aberration of the attached projection lens, wherein the acquired information on the optical characteristic indicates the amount of the display pixel shift in the projected image at each of a plurality of points of the projected image, the amount of the display pixel shift in the projected image being expressed as a value corresponding to a distance to each of the plurality of points from an intersection between the projection target surface and an optical axis of the attached projection lens.