Active 3D uses battery-operated shutter glasses that do as their name describes: they rapidly shutter open and closed. This, in theory, means the information meant for your left eye is blocked from your right eye by a closed (opaque) shutter. Passive glasses are polarized lenses, like what you use at a movie theater. The type of glasses you need is based on your television, not the player.
10 years, 2 months ago
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