... high transmittance and rubresistance 30cm x 30cm Circular polarized 3d filters, top grade glass with high transmittance and ... rubresistance, imported circular polarized films inside. 1) optics parameter- polarized efficiency 99.9%, transmittance >42 ... customers' requirements3) Useage area - Real D 3d theaters, Master Image 3d cinemas, family projectors, office projectors, school ...