Some of the biggest names in the smartphone business—including Apple, LG and Huawei—now make phones with dual-lens cameras installed, and other manufacturers are tipped to follow suit soon. Not all phone makers use two lenses in the same way: on the Huawei P9 one takes shots in black and white to tease out more…
Source: Gizmodo – How to Take the Best Pictures with a Dual-Lens Camera