Pentax tonight updated its Optio compacts with three new models that include an update to its semi-rugged W models. The WS80 can withstand water at depths of up to 5 feet but still keeps in step with most newer point-and-shoot cameras, including an option of shooting 720p, 30FPS video rarely seen in its category. Still images are captured at 10 megapixels and get a relatively long 5X optical zoo
