1.circular polarized projecting lens 2.for 3D movie projector 3.for 3D theater 4.avaliable for squar and circle shape 1.circular polarized projecting lens, 3D filters2.for 3D movie projector3.for 3D theater4.avaliable for squar and circle shape5.size: 150mm*150mm6.thickness: 4.4mm7.Model number: T018.anti-UV380 process9.double face TAC combine and hard coating process10.Optics parameter: ...