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What types of 3D TV are there? There are two main types of 3D technology that are ready for you to use now. Commonly known as ‘active’ and ‘passive’, the two types deliver a similar effect, but have massive differences in the production cost, and how it is passed on to you, the consumer.Active-shutter 3D is going to be the way most people end up seeing 3D in their homes. With this technology, the TV is basically the same as your current one, but with some increased performance to make the 3D look as good as possible. To see 3D,...

How do Circular Polarized 3D glasses work? To present a stereoscopic motion picture, two images are projected superimposed onto the same screen through circular polarizing filters of opposite handedness. The viewer wears 3D glasses which contain a pair of analyzing filters (circular polarizers mounted in reverse) of opposite handedness. Light that is left-circularly polarized is extinguished by the right-handed analyzer, while right-circularly polarized light is extinguished by the left-handed analyzer. The result is similar to that of steroscopic viewing using linearly polarized glasses, except the viewer can tilt his or her head and still maintain left/right separation.

How do Linear Polarized 3D glasses work? To present a stereoscopic motion picture, two images are projected superimposed onto the same screen through orthogonal polarizing filters. It is best to use a silver screen so that polarization is preserved. The projectors can receive their outputs from a computer with a dual-head graphics card. The viewer wears 3D glasses which also contain a pair of orthogonal polarizing filters. As each filter only passes light which is similarly polarized and blocks the orthogonally polarized light, each eye only sees one of the images, and the effect is achieved. Linearly polarized glasses require...

Why do I need to wear special glasses to view 3D? The reason you need to wear glasses to watch 3D is that a separate image needs to be sent to each eye, with the brain combining the two images into a single image with 3D characteristics. In other words, the 3D process actually fools your brain into thinking it is seeing a 3D image, so it creates one for you.

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