This high-speed, standard-range, Alpha-mount utility zoom scales up to the full-frame equivalent of a 24–75mm on Sony APS-C bodies. When it was introduced with Sony’s remarkable Alpha 77 in mid-2011, Sony insiders referred to the 16–50mm f/2.8 ($700, street) as the camera’s “non-kit kit lens,” and, in fact, the two are often bundled.
