: The cameras mimicked human eyes, "toeing in" to converge on subjects just like our own vision.

Side-by-Side 3D splits a single 1080p or 4K frame into two compressed halves (left/right eye). It’s the most common format for VR headsets, 3D TVs, and projectors, reducing file size but cutting horizontal resolution in half per eye.

For users of VR headsets (like the Meta Quest 3, Apple Vision Pro, or PCVR), SBS is the preferred format. Here is why it shines for Avatar :