1  permeability exceed 50%, 45 angle polarization;

2  to match professional projection screen, The polarization properties of up to 95%, no ghosting when viewing three-dimensional picture.

isogonal line parameter:

1: Poor Light Multiply;

2: Single permeability: 43±1.5%

3: parallel bow wave:36±1.5%

4: orthorhombic: ＜2%