Tenaya Range [Lens Only]Switch offers a range of specialty lenses to ensure that you see right in every light for all of life's adventures. Customize your lens portfolio for what you need. TRUE COLOR GREY lenses are for intense sun. It is an excellent lens for mountain, desert, snow, beach and water sports, as well as general purpose use in bright conditions. By blocking 90% of visible light , this is the perfect lens for the harshest light conditions. CONTRAST AMBER lenses