The Apple iPhone 7 may have a dual camera module, but why? Here are 6 smartphones that already have such a feature

We've been hearing reports and rumors from various sources about the iPhone 7 and its camera module. More specifically, the rumor mill claims that the iPhone 7 Plus will rock a dual sensor snapper. Why? Well, there could be a few reasons – true optical zoom, better low light performance, more detailed and wider shots, or the freedom to switch focus post-capture, as both sensors could be used to read depth data within a shots. Unfortunately, aside from teasing the sensor, the rumor mill is silent on its application.

Dual camera smartphones are actually not new. The concept was first introduced with the HTC One (M8), back in 2014, and we now have a handful of handsets out there toting dual sensors for their main or their selfie cameras. However, not all of them employ the duo setup for the same purposes. So, here are all the currently available dual camera phones we know of with a short explanation of what they use the two sensors for: