Hey; some people can't even perceive stereoscopic imagery. And I'm not just talking about one-eyed pirates.
If the full 3D effect where the divergence point of the two separate image fields is farthest away hurts the eyes, that's what the slider is for. If the minimal effect is still too much, well; 3D ain't for everyone (one-eyed pirates).
I like the full 3D effect. My only gripe with the 3DS is the parallax barrier technology it's based upon due to the very narrow angle of effect. You really can't move your head off center much before the effect "reverses."







