How capable do you think the iPhone 4’s camera is? Do you think you’ll be able to figure out a way to rig a DSLR lens to it? While it isn’t clear whether this setup is a joke or someone did perform some magic to get it working, it’s quite an interesting idea, and if it did work, it would make the iPhone 4 into a pretty cool digital camera, especially since it’s a lot more portable than your full-sized DSLR. Maybe someone will come up with a lens adapter kit for the iPhone 4, and we can dig up our DSLR lenses to be used with the iPhone 4.