Because Half-SBS splits a 1080p file into two 960x540 images, whereas Half-SBS 720p splits into 640x360 images. The difference is noticeable, but many mobile VR users prefer 720p for smooth playback without stuttering.
To experience Avatar in 3D Side-by-Side (SBS) format, you need to navigate several technical choices regarding resolution and playback software. While 720p is a common download size, it often results in significant quality loss for VR or large-screen viewing. --- Avatar 3d Sbs 720p Download Movies
The story of the films is often a point of debate among fans and critics: Watch 3D Videos at Home : What You Need - DTV Installations Because Half-SBS splits a 1080p file into two
Unlike a standard 2D movie, 3D movies need two images—one for your left eye and one for your right eye. "SBS" means the video frame is split vertically down the middle. The left half of the screen is the left-eye image, and the right half is the right-eye image. While 720p is a common download size, it