Both the front-facing and rear-facing cameras are designed by Sunny Optical Technology.

The rear-facing camera is labeled P13N05A, while the front-facing camera is identified as P5V35A.

We also encountered camera modules designed by the optimistically-named Sunny Optical Technology in the Project Tango teardown.

According to the details on the OnePlus One specifications page, the 13 megapixel rear-facing camera features a Sony Exmor IMX 214 CMOS image sensor.