Griffin has a polycarbonate case for the iPhone 3G that offers a macro lense for the iPhone’s camera. Griffin says the iPhone’s camera normally takes 18 inches to focus. Slide the Clarifi’s lens into place over the camera to take close-up photos requiring only 4 inches to focus. The polycarbonate cover is available in white or black, and you can charge and sync your phone without removing it from the case. The Clarifi case is $34.99 from Griffin.