If there was a common theme at the 2011 Consumer Electronics Show, it was undoubtedly 3D technology. Tech giants including Samsung, Toshiba, and Sony showed off a slew of new 3D televisions, some of which don’t even require cumbersome glasses. JVC also had 3D tech on display, and its most notable product at CES was the GS-TD1, the world’s first consumer camcorder to offer 3D recording in Full High Definition. The camera features two advanced lenses that record two different images simultaneously. According to JVC, the lenses also provide other advantages: The camcorder uses a JVC 3D Twin…