For Sale Used DepthQ 3D Large Polarization Modulator in good condition.

In combination with a polarization-preserving (aka 'silver') screen, the DepthQ® Polarization Modulator allows your digital cinema projector to display stunning stereoscopic 3D films, viewable using inexpensive industry-standard passive glasses (circular polarization). It works by precisely and efficiently varying the polarity of light passing through it, in perfect synch with the double or triple-flash of left and right eye images from digital cinema projectors.