It's almost a truism that starter smartphones have poor cameras that struggle just to get pristine photos in broad daylight, let alone dim interiors. Thankfully, OmniVision's new OV5645 sensor could lead newcomers out of a very literal darkness. The 5-megapixel imager includes backside illumination, support for 1080p30 (or 720p60) video and its own internal autofocus system, but no dedicated JPEG compression engine -- in short, a lot of the low-light performance of more sophisticated smartphones without the usual
