New Nikon prototype/concept cameras on display in France

Nikon displayed some new prototype/concept cameras as part of the Hello Demain (Hello Tomorrow) exhibition at the Cité des Sciences et de l’Industrie (Paris, France).

The first Nikon camera prototype has three interchangeable pieces –  LCD screen, lens and a grip:

Nikon Multi-Ball – “multi-views that can capture the atmosphere of a scene“. No idea what this is, probably some kind of a 3D-panaromic-plenoptic-camera:

The next camera prototype has a 6 inches screen and adjustable lever:

I could not find any information on the Nikon i-Ball:

Additional images of those prototype/concept cameras from flickr member montie_j (all images copyrighted by montie_j):