At the moment the arms race in mobile phone cameras is all about the number of them, with two, three, or four rear lenses and sensors being commonplace. Sharp is bucking that trend with the Aquos R6, which features just one massive rear camera bump. It's a 20.2 megapixel sensor with a massive surface area of one square inch, f/1.9 lens made by Leica, and it's paired to a phone that's no slouch in other departments, either.

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