OnePlus 5 vs iPhone 7 Plus: Battle of the telephoto lenses

The OnePlus 5 is one of the hottest phones of the season. High spec'd and aggressively priced to give the current top flagships a run for their money, the OnePlys 5 manages to impress with great all-around performance and sleek, albeit familiar, design. But the phone's main selling point—or at least one of its biggest selling points—is the new, iPhone-insiperd dual-camera system on its back.

We've already taken a look at how the primary 16MP camera of the OnePlus 5 compares to some of the best shooters currently on the market, but what about the larger, 20MP camera ...