DAVE JOHNSON, MACWORLD:
"Thanks to the ubiquity of our smartphone cameras, we’re all taking more photos than ever. But those photos are largely confined to the iPhone’s one-size-fits-all, somewhat wide angle lens; gone are the days when most of us were willing to schlep around an SLR with multiple lenses, or even a single bulky zoom lens. You can recapture some of your SLR’s interchangeable lens flexibility, however, with a set of add-on lenses for your iPhone. We’ve rounded up 6 of the most popular options and put them to the test."