You know what $549.95 gets you in the camera world? About 90 percent of a T3i. Or, you know, a flash. Nikon has just outed the proper successor to the Speedlight SB-900 (pictured), and at over half a grand, it best be packin' more than just bright lights. The Speedlight SB-910 touts an enhanced operating system and graphic user interface, and comes equipped with a wide zoom range as well as FX / DX-format identification that optimizes zoom settings based on the camera body. The company's also promising better battery life and a bolstered thermal cut-out function -- which offers protection against damage to the flash panel and body from overheating
