The panasonic hc v770 is a full hd camcorder with 20x optical zoom and hdr high dynamic range movie technology to deliver clear detailed shots even with backlighting the 4 drive lens system powers each of the four lens groups separately reducing the drive ranges to result in high image quality high powered zooming and a compact camera body this technology works with the bsi sensor which features 603m effective pixels and the high speed crystal engine for crisp clear pictures you ca