Apple might be poised to ditch OmniVision for its next round of iPhone / iPod Touch cameras, but that hasn't stopped the company from trotting out a fresh crop of sensors. Weeks after unveiling a beastly 12 megapixel number, it's announced the OV5690, a 5 megapixel chip, and the first to use the company's second-generation OmniBSI-2 pixel architecture. In addition to shooting 5 megapixel stills, it records 1080p video at 30 frames per second and 720p movies a