Camera can be imported by using the associated import dialog button.
Camera can be really fun to use, it is possible to literally control the synthesis and the visuals with the camera image or play printed spectogram etc. a wide range of experimentation with sounds and visuals can be done with this feature.
The camera output width / height can be configured through the camera pane settings in the import dialog.
To use the camera data, see images import section for the usage of images