 Building on the success of the K800, the K810 adds a number of features that make its 3.2-megapixel autofocus camera even more camera-like.Sony Ericsson also expanded its Cyber-shot branding to a mid-range handset, the K550, which has a 2.0-megapixel camera bundled with autofocus and LED flash.Sony Ericsson announced its flagship K850 on June 14, 2007 and its Candy-bar K770 on February 3, 2008.