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Originally Posted by tripletopper
My biggest complaint about polar is that if you took your head more than a couple degrees either way you get double exposures which causes confusion which causes slight and puzzlements in me and 3D headaches for mom maybe.
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This only occurs with linear polarization, used by IMAX screens. Does not occur with circular polarization, used by RealD and passive 3D televisions. It's not an issue for me, because I typically hold my head straight.
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I know the red filter is not perfectly filtering out cyan causes a misread 3D image which causes a non-apparent misdecoded 3d image.
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Red/cyan filters are only used in the anaglyph 3D method, which causes immediate eye strain for everyone. Full-color polarized or active 3D is a much better way to watch 3D. The main advantage of anaglyph is that it is cheap, not requiring special equipment.