Asus has expanded its Zenfone 3 series of smartphones with the launch of Asus Zenfone 3 Zoom smartphone at CES 2017. It succeeds the Zenfone Zoom and is targeted at the photography lovers. The main highlight of the phone is that it packs a dual camera set up on the rear. It sports dual 12 mega pixel sensors at the back. One of the sensors has a 25mm wide-angle lens while the other one comes with 56mm lens with 2.3x optical zoom.













