TIV2 turret

This shot shows the outside of the vehicle's custom rotating turret, which houses the Imax camera lens viewing hatch.

Essentially, Casey said, the TIV2 was built around the specifications of the camera. Since the camera is 40 inches wide, the turret had to be 48 inches wide to accommodate it, which in turn determined the size of the ceiling.

In order to be street-legal, the vehicle had to be less than 140 inches wide, as well as have headlights, turn signals, and mirrors.