Nokia's PureView camera on the Lumia 1020 will include a Xenon flash and F/2.2 lens, alongside a new Pro Camera application and the company's OIS stabilization. The camera app will provide access to white balance, ISO, focus, shutter speed, and other settings through a radial menu-like interface. We understand that Nokia's camera app is feature heavy, with options to toggle aspect ratio on photos and the ability to enable a "dual capture" mode that takes images at different resolutions at the same time
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