An image projection apparatus includes an item selection unit which selects one of items to be image-adjusted, a first image generation unit which generates a plurality of images acquired by subjecting a target to be projected to image adjustment, in different adjusting levels, the image adjustment corresponding to an item selected by the item selection unit, a first image projection unit which projects said plurality of images generated by the first image generation unit, an image selection unit which selects any one of said plurality of images projected by the image projection unit, and a second image projection unit which projects an image selected by the image selection unit.