As part of the quest to add more depth to electronics, LG Electronics overnight demonstrated a phone with a 3D screen and a 3D camera, set to go on sale in June. The South Korean electronics company's Optimus 3D drew large crowds eager to give it a test run at the Mobile World Congress in Barcelona, Spain. The screen produces the illusion of depth without the need for special glasses, and includes a pair of five-megapixel lenses for taking 3D photos and video. A spokesperson for LG said the smartphone would go on sale in Australia in June but said there were no details yet on whether it would be locked to a carrier like Telstra, Optus or Vodafone/3. The phone must be held at the proper distance and angle in order for the viewer to perceive depth, much like Nintendo's 3DS handheld game console, which is based on a similar screen technology. Glasses-free 3D is easier to achieve with small screens than with TV-size ones. The Optimus 3D runs Google's Android operating system. LG has already announced a tablet with a 3D camera, the G-Slate. It won't have a true 3D screen, so the user will need wear red-blue glasses to see depth when using the camera.
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