... technology area etc. Related professionation are 3d movie, 3d TV, 3d theater, 3d game, 3d image, physical, sunglasses, optical glasses, optical equipment, photography, astronomy, education, toy, ... . 3D optical produce:red/cyan 3d systemlinear polarized 3d systemcircular polarized 3d systemrefractiondepth 3d systemspectrum separated 3d systemspecial usage optical systemcommon optical system Technical ...