Will Naton merge 2 live video threads into 1?

I have a camper shell on my pickup, which makes it difficult to backup sometime. Backup cameras usually have a fisheye lens and make it difficult to see some things. I would like to put 2 cameras on the back of my camera - 1 on the far left side and one on the far right side - both cameras having a 50mm lens (approximately the same as the human eye). I want an app that will combine the feed from each camera (in real time) so that I can display it on a 14" lcd monitor in the cab of my truck. Will natron do this?