You see a lot of scene groups compressing 3D films, but the DINGO tag usually indicates a specific attention to sync and bitrate. This isn't a cheap 2D-to-3D conversion; this is sourced directly from the genuine 3D Blu-ray master. DINGO has done an excellent job preserving the film grain structure without introducing the "shimmer" that ruins 3D depth.
to believe the disc itself contains a 3D version, which it does not. Understanding the Technical Terms