The two rear cameras of HTC One M9+ make up the Duo Camera.
Photos taken with the Duo Camera are captured with depth information and can be applied with special Duo Effects in Photo Editor.
Home screen, tap the camera icon to open the
Camera mode, if you're not in this mode.
Choosing a capture mode for details.
Switch to Duo .
Point the camera at what you want to capture.
The camera adjusts the focus automatically as you move it.
When you're ready to take the photo, tap .
To switch back to the single main camera and take regular photos without depth information, tap Switch to High-res