PC plastic frame 0.74mm thicken polarize lenses Polarizing efficiency = 99.7% Transmittance = 43.5% Detailed Product Description1.ABS plastic frame 2.polarized lenses 0.72mm thickness 3.Polarizing efficiency = 99.7%4.Transmittance = 43.5%Usage: cinema system like: Imax, Reald, Masterimage etc,3D theaterspassive 3D TVsprojectors.Two projectors are synchronized and project two respective views. The ...