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What is Real D 3D?


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#1 George Ebersole

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Posted 19 July 2017 - 07:50 AM

On a popup ad for Valerian I'm seeing it's in both 3D and Real D 3D.  What is D 3D or whatever it's called?

 

I've never heard of this.


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#2 Phil Rhodes

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Posted 19 July 2017 - 08:21 AM

There are two principal systems for the theatrical display of stereoscopy. The most common is RealD, made by the company of the same name, which uses circularly-polarised glasses. The other is Dolby's 3D system, which uses notch filters to separate the two eyes based on the red, green and blue primaries used to project them.

 

P


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#3 George Ebersole

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Posted 19 July 2017 - 03:30 PM

Ah, thank you.


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