Asus announces Zenfone Zoom smartphone with 3x optical zoom

At its CES press conference in Las Vegas Asus has announced the ZenFone Zoom, a smartphone with 3x optical zoom lens that is only 12mm thin. The ZenFone Zoom runs Android 5.0 and features a 5.5-inch 1080p IPS screen and up to 128GB of built-in storage.