4413217e_mera_modes_for__anyway____CNET__Description
[Mode] 3D [Uses] Right now, it's still in the gimmicky stage. 3D effect is best achieved in scenes where the subject is significantly in front of the background and the lens is set to a moderately wide angle. [Description] 
Unless the camera has dual lenses, this mode combines offset shots to produce a 3D effect when viewed with the appropriate hardware and/or software.
What are all those camera modes for, anyway? - CNET