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Virtually all systems involve using a pair of camera to film the original movie. The two cameras are placed beside each other at the same distance as the separation of human eyes. This gives you two films; one for the left eye, one for the right. The next stage is in projection - there are two mechanisms widely used so the the left eye receives the information from the left film and the right eye from the right. The two most common techniques is to use colour filters; the left film is passed through a red filter (say) and the right film passed through a green filter. Viewers have to wear special glasses with corrosponding coloured filters so the the left and right images arrive at the correct eyes. The problem with this system is that, understandably, the colours of the film is distorted by the filters. A more modern technique uses polarised glasses; polarised light will pass through polarised glass only if they are both polarised in the same direction, by using horizontal polarised glass in one lens of the glasses and vertical in the other, and projecting the left and right films with corrosponding polarisation the left and right information is correctly received. The advantage of this system is that the colour information in the film isn't distorted by the 3d system, the disadvantages is that a special screen is required to maintain the polarisation and the glasses are relatively expensive. A third system is to use shuttered glasses; these are special glasses that alternately blank out the left and right eye in synchronism with the projector which alternately projects left and right frames. This system is rarely used for public projection, it does get used for home computer games occasionally.

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โˆ™ 2008-07-28 08:39:49
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Q: How do 3d movies work?
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Can you watch 3D movies in normal LCD screen with 3D glasses on?

Technically you can watch 3D movies on a normal LCD screen, but if you do the 3D won't work. The reason why it won't work is because a normal LCD screen doesn't have the technology necessary to make the 3D movie features work.


Do Real D 3d glasses work on LG 3d tv's?

Yes they work on the Passive 3D TVs and they work on VISIO passive 3D (I have one of these and I have used the glasses I got from the movies with it).


How old do you have to be to watch 3d movies?

3d movies are rated just like non-3d movies.


Are the commerials in 3d movies 3d?

most of them ( just for the 3d movies coming out)


Does 3d TVs make all the movies 3d?

No. Only movies filmed as 3d will produce the 3d effect on a 3d television.


Do amc gold experience work with 3d movies?

AMC Gold tickets cover the price of a ticket for a standard showing. They may be used for 3d or IMAX movies, but with a surcharge.


Why aren't 3D movies no longer truly 3D?

3D movies are no longer truly 3D because they causes nausea and headaches.


Can you use your Real D 3D glasses to watch 3D movies on the internet?

If your watching the movies on a laptop or other computer then no because they don't have 3D capabilities. If you are streaming 3D movies with your 3D TV then yes you can. Just make sure that you have a 3D TV.


Do you have to have a 3D blu-ray player and a 3D TV to watch 3D movies?

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Do you have to wear 3D glasses to a 3D movie?

YES you have to wear 3d glasses for 3D movies


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Where can you get 3D glasses in Mumbai?

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