Autostereoscopic exhibit technologies employ ocular parts in the exhibit, somewhat compared to all in by the exploiter, to allow any eye to perceive a dissimilar picture. Because cap is not needed, it is as well named ‘glasses-free 3D’. The optics disunited the pictures directionally in to the viewer’s senses, thus the exhibit watching cast needs restricted lead positions that tend to attain the stereoscopic result. Automultiscopic screens supply numerous perspectives of the similar background, somewhat compared to simply 2. Each view is noticeable from a dissimilar span of positions in fore of the exhibit. This permits the bystander to move left-right in fore of the exhibit and perceive the correct view from whatever placing. The technics contains 2 wide groups of displays: these that employ head-tracking to establish that each of the viewer’s 2 senses beholds a dissimilar picture on the screen, and these that exhibit numerous perspectives thus that the exhibit does not require to understand where the viewers’ senses are commanded. Examples of autostereoscopic screens technics contain lenticular lens, parallax barricade, volumetric exhibit, holography and light area screens.