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Quote: Polarization per se does not cause eyestrain; not that I've ever heard. Most eyestrain in 3D movies seems to be from the physical convergence issues. Though using circular over linear polarization I think would help reduce cross-eye image bleedthrough that could cause some eyestrain. Is...

Best guess, what's the time period and price range for a 3D home system? I like 3D movies. I bought a 50" Pioneer Kuro this year. I'll probably buy a $150 Blu Ray player for the holidays. If I want 3D Blu Ray, next year, would I have to spend thousands to replace all my equipment? Or would...

It's an interesting idea, home 3D. Having seen Coraline 3D in the theater, I'm not especially interested in owning it at home since it will be so greatly different. To me, it's like seeing a movie in surround sound at the theater and only being able to have the mono version at home. (Though...

To consider 3D as general idea gimmicky seems a bit odd, unless one also considers gimmicky such silliness as "surround sound", "high definition", even "talkies" or "color". Each is a new technology that can add to the presentation. And certainly they are all used in "gimmicky" ways -- I spent a...

The best time to upgrade is always tomorrow.

To some degree, we're in violent agreement :) I can't speak to the headaches from physiological knowledge. But it's clear that the physical visual response is working abnormally for 3D movies. Even while your focus is at distance (approaching inifinity), your eye rotation must converge and...

Cees is right. 3D movies are not the as real life binocular vision. The heart of this is the disparity is the difference between object distance and apparent distance, as Cees explains.

I guessed I lived in a small town. I never saw polarized glasses in the theaters, except for Disney's "Captain Eo". Jaws 3D and such were all cheap anaglyph.

3D in the 80s was analyglyph, right? Red / Blue paper / plastic throwaway glasses? There's no comparison between "old" 3D and "new" 3D using polarized glasses. It's unfortunate that 3D gives you headaches. That's intrinsic to the mechanism, though I understand the filming process is better...

That's good to hear. Knowing the technology behind them, they have to be bulkier than the simple polarized glasses used at the movie theaters. But I haven't worn them. But I look at the slow shift to HD, and glacial shift to Blu Ray, and think that significant home use of 3D is a long ways...

But it's stuff with bulky plastic glasses. It remains to be seen whether people will watch TV with the specialized, polarized-shutter glasses. I would for favorite shows e.g. BSG. But I'm a TV nut. I have a hard time envisioning the vast majority of my friends and family wearing these. I doubt...

Sounds great. I want it. It'll be a decade before it's reasonably available, affordable, and worthwhile.