2The Pentax Optio W30 is part of a growing line of weather- and dust-resistant cameras geared for active point-and-shooters. It is the fifth in Pentax’s W-series, a line of waterproof cameras. The 7.1-megapixel camera comes in a swimmer’s body, which allows for longer underwater time at increased depths over its predecessors. Among its other touted features are facial recognition technology and low light shooting abilities at ISO 3200. The Pentax W30 retails for $299.95.