It's been awhile since we've seen Olympus tackle the more affordable side of its rugged camera lineup, which makes its latest entry feel overdue. The Stylus TG-625 Tough effectively replaces the TG-620 by adding something that's been commonplace in the camera world: an autofocus illuminator light to improve focusing at night or, more likely with this camera, when it's plunged 16 feet underwater. Outside of a new double-
