Olympus chose Friday to introduce a new generation of its hardened TOUGH-series compact cameras. The mju TOUGH-6010 (to be called the Stylus TOUGH-6010 in the US) is superficially a standard 12-megapixel camera with 3.6X zoom but is waterproof to a depth of 9.8 feet, withstands drops up to 4.9 feet and will avoid freezing at temperatures as low as 14F. Magic Filters are new to the 6010 and, like