Zeiss showed off its its Cinemizer OLED 3D glasses as a way to explore a virtual world, with head-tracking technology to change the perspective. The glasses require a cable to get video data, though, and they cost 649 euros, or about $850.
March 9, 2012 9:13 AM PST
Photo by: Stephen Shankland/CNET
| Caption by: Stephen Shankland
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