"Backside illumination" refers to a technology used in cameras or image sensors where the light is allowed to directly enter from the backside, improving the performance and quality of the captured images. Full definition
Unlike Acer Iconia Tab A510 camera which only support 720p video recording, the 5 mega pixel new auto focus iSight camera on this tablet is support backside illumination sensor and capable to record up to 1080p HD video. (newbestgadget.com)
The cameras on the phone have features like backside illumination, autofocus, continuous shooting, digital zoom, geotagging, panorama, HDR, touch focus, face detection, white balance settings, ISO settings, exposure compensation, self - timer, scene mode, and phase detection. (themrphone.com)