The JJC MRL-TG1 Light Guide Ring is designed for use with the Olympus TG series cameras Tough TG-7, 6, 5, 4, 3, 2 & 1. It channels the camera's LED illuminator into a round, even light source perfect for closeups and macro photography. When shooting for a true closeup with an interchangeable lens camera, a ring flash with an emitter around the lens is used to avoid casting shadows on the subject. A similar effect can be achieved with the LED Light Guide. The JJC LED Light Guide can be attached to the lens of the TG series cameras, using the built-in LED light to illuminate the subject evenly, drawing out the best macro photography abilities. It can be put on and removed underwater.