Why use Passive 3D? Why are Polarized Type Glasses better?
With passive 3D stereo we use filters combined with special projection setups to provide both the left and the right image in opposing circular polarization. We achieve the ability to deliver two different pictures to the two different eyes of the audience using polarization technology. Passive 3D stereo works both as front and rear projection. In both cases, selecting the right components has a huge impact on the quality and the cost of the 3D solution. For front projection a special silver screen is necessary (like our awater 3D Stereo Screen). For rear projection, rear projection foil is required. Note that foils are usually easier to handle and transport.Passive 3D stereo does not work with conventional front projection screens, a special polarized retaining screen is required for front projection.
