1 polarized efficiency 99.7%, trans 43.5% 2 fit for optical frame directly 3 circular/linear polarized lenses 1.Plastic liner Polarized 3D Glasses, Circular Polarized Glasses 2.Fixed arms, un-collapsable; 3.Great for viewing slide shows, multi-media displays, concerts, movies, and ride simulators...Etc. 4.liner/Circular Polarized Lens Thickness:0.18/0.297mm.5.Optics parameter: Indirect ...