In case the photo above did not already give it away, the Phocus is an iPhone case that allows iPhone users to attach DSLR lenses onto the case, although it would need an additional adapter to do so. However the flexibility to do so is one we’re assuming could be appreciated by iPhone photographers who might have a couple of DSLR camera lenses lying about. The Phocus case comes in two different packages – $100 with two lenses (not DSLR lenses, mind you) or three lenses for $135. The adapters for DSLR lenses are sold at $220 for Canon and $245 for Nikon, which we have to admit is rather pricey.