Join Date: Jun 2010
Location: Montpellier, France
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In PS3 stereoscopic 3D games, the screen size is used to scale the strength of the 3D effect.
The strength of a 3D effect depends on the angles between your eyes and the screen : but the content on screen is based on pixels. It's a simple geometry problem.
If shown the exact same content on TV of different sizes, the angles your eyes make with the screen will be different, and the strength of the 3D effect will be different.
If incorrectly set, you may get a picture way too strong where your eyes diverge if you try to watch it in 3D (very painful, breaks the 3D effect instantly).
If incorrectly set the other way, you may get a picture that looks very flat even though you have set the maximum strength in the game's 3D setting.
-if you tell the PS3 you have a smaller TV than you really have, the console will boost the 3D strength in games
-if you tell the PS3 you have a bigger TV than you really have, the console will shrink the 3D strength in games
This only works in games (where the console generates the 3D in real time by controlling the two virtual cameras), it doesn't work in movies (where the cameras were set by the movie director and his stereo technician).
The console may be trying to slide the pictures relative to one another in order to alter the convergence point, however I am not aware of the PS3 doing this, especially with BluRays.
Last edited by BlackShark; 07-07-2014 at 02:50 PM.