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观看小提示:[DVD标清版] [BD超清版] [HD高清版] [TS抢先版:不清晰]
类型：纪录片,短片 地区：美国 年份：1952
Explaining that you need to wear polarized glasses to see the 3rd dimension on the "new" 3-D films and introducing their 3-D film camera/system Natural Vision.