We’ve seen all sorts of dual camera configurations in smartphones since they were first introduced a few years ago. Often times, various manufacturers would use the second lens for either optical zoom, or for creating bokeh shots. However, we’ve never heard of it being employed exclusively to shoot 4K video–that is of course until Sharp showed up with the new Aquos R2. The Japanese electronics company may not be known for smartphones, but their newest high-end offering might just have enough oomph to launch them into this competitive industry.

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