Lytro invented the technology, Nokia uses it and now Apple seems set to join the fray. The iPhone maker has been awarded a patent for refocusable imaging technology, popularly called light-field technology, which allows a user to change focus after an image has been taken.
The US Patent and Trademark Office has granted Apple a patent for a "digital camera including refocusable imaging mode adaptor." The patent also reportedly notes the inclusion of such a system in portable devices, like iPhone.
The light-field imaging technology was introduced by camera maker Lytro over two years back. Apple founder and former CEO Steve Jobs is believed to have liked the camera and invited Lytro's CEO Ren Ng for a live demonstration of the technology. According to Jobs biography, photography is one of the industry that he wanted to revolutionize.
Apple's patent filing too acknowledges that the technology has been developed by Lytro, but says that the image quality and resolution can be improved.
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