Wouldn't be nice to have a z-depth map tagged to our photos? This concept might be new to photographers, but z-maps have been used extensively with 3D artists. However it may be the time for us photographers to incorporate these maps into our post processing workflow to gain more efficiency and power.
Please read bellow and let me know about your thoughts.
Looking at the Samsung NX300 2D|3D from a different angle | Jawad Riachi