An auto-stereoscopic monitor and method for the presentation of a three-dimensional scene on an auto-stereoscopic monitor, wherein a number of basic images of a scene is predefined, b) an image mask is predefined for each of the basic images, c) the individual basic images are weighted pixel by pixel or subpixel by subpixel with the values of the respectively associated image mask and are then added to form a raster image, d) the determined raster image is displayed on the screen of the auto-stereoscopic monitor, e) a current normal distance of the viewer from the monitor is determined, and f) a stretch factor is determined as a function of the determined current normal distance and a nominal distance off the screen, wherein the image masks are stretched or compressed in the direction of the horizontal image axis as a function of the stretch factor.