via gizmodo.com
something fun but totally useless
Overview
The lenses adhere to the back of your iPhone magnetically (once you attach the included adhesive-backed magnetic ring to your device) and produces a true 180? fish-eye effect, or allow wide angle/macro photos, depending on which one you are using.
IPhone 4S External Lenses is available at camera lens for iphone for much lower price of $35 and $20 each
IPhone 4S External Lensesis available at camera lens for iphone for much lower price of $35 and $20 each
Wide angle lens for iphone is far better and smaller option