http://gizmodo.com/5588742/it-happened-an-...-slr-lens-mount"Sick of your iPhone's puny lens? Then it's time for a (somewhat unwieldy) upgrade.
This "iPhone DSLR prototype" is a 1.1lb, solid piece of anodized billet aluminum (that looks to be a modified Owle). It will fit an iPhone 3G, 3GS or 4 along with a complementing, full-size Canon EF lens."