Usefulness for accommodative compensation 3D scenography system using dual-convertible lens

The 3D scenography (stereoscopic vision) has various applications, in which binocular disparity display is generally used in order to project pictures onto the each eye. The binocular display, however, imposes discrepancy between accommodation distance and vergence distance on special perception, so that the user suffers from physical and visual strain. Dual-convertible lens system as an accommodative compensation system proposed in this paper, where two serial convertible lenses are installed between the user and the display, can cut down the visual discrepancy and the user make binocular vision easy. The 1st convertible lenh shifts the virtual image to other position and the 2nd lens compensates size of the virtual image. These two lenses are simultaneously operated on computer control. This simple and scalable architecture can apply to most 3D scenography systems currently used.