Whereas most of the third-party iPhone lenses we’ve tested seek to expand the iPhone’s camera from a roughly 30-millimeter-equivalent field of view to wider or even fisheye perspectives, the ML-515 set goes in the opposite direction, transforming the iPhone 5 into a myopically macro camera. One of the two lenses promises 10x magnification, but the iPhone 5 can only focus with it upon an area around an inch in each direction—just…