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A patent filed back in September of 2011 was finally awarded to Apple today, and it has the whole photo world atwitter. That's because this patent describes a camera system that would use the light-field technology made famous by Lytro to take refocusable images -- and it could work inside portable devices such as an iPhone.

That's right, light-field technology in an iPhone... now you see why everybody is excited over something that is, after all, still just a patent.

In addition to announcing the Nokia Camera app and RAW support for the Lumia 1020 and 1520 (read about that here), Nokia made one other camera-centric announcement that had us perking our ears up: the company also introduced a Lytro-like refocusing camera app called Nokia Refocus Lens.

If you've been wishing and hoping for Lytro-like 'take now, focus later" technology to appear in smartphones, it looks like a couple of different companies are planning on making that wish come true. Not only did Toshiba announce its own refocusing module just a couple of weeks ago, it seems OPPO will be putting similar tech into their future camera phones too.

It's been 10 months since Toshiba was said to have been developing a tiny camera module that would bring Lytro-style refocusing to smartphones and tablets, but the company only just announced something official.

Lytro is currently the only camera on the market that lets you refocus photographs after they're shot, thanks to its fancy schmancy (and proprietary) light field technology, but it won't be the only one for long. Toshiba is reportedly developing its own Lytro-style camera that will target a different segment of the photography market: smartphone and tablet photographers.