Ez Camera allows you to use Neos Camera easy and quick.
First, adjust the size and position of the camera with your left hand, and then press SUBMIT and start equipping the camera.
Press the first menu button twice quickly to display the camera.
If you want to take a picture, press the grab button and then the primary action button. The pictures you took are in the screenshot folder on your PC.
For SteamVR, the location of the screenshot is "C:\Program Files (x86)\Steam\userdata\[USER_ID]\760\remote\[GAME_ID]\screenshots".