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Asustek Computer has announced ZenFone 3 Zoom, an ultra-thin 5.5-inch smartphone with a 5000mAh battery and a dual-camera system.

The ZenFone 3 Zoom features dual-camera system consists of a main camera with an f/1.7-aperture, 25mm wide-angle main lens paired to a 12-megapixel Sony IMX362 sensor with large 1.4µm pixels (1/2.55in sensor size); and a 59mm, 12-megapixel zoom camera with an instant 2.3X optical zoom and a 12X total zoom.

This setup ensures sharp focus for subjects at any distance, the vendor said. ZenFone 3 Zoom also has the first Asustek SuperPixel Camera that enables shooting in night-time or low-light environments.

The smartphone is equipped with Qualcomm's Snapdragon 625 14nm processor, while the high-capacity battery also gives the ZenFone 3 Zoom the ability to double up as a power bank to charge other devices.