It’s not everyday that your priorities include snorkeling in sunny, tropical waters or diving to explore whatever lies beneath the surface. But when they do, the versatile GoScope Marine Adapter Kit will easily complement your favorite GoPro HERO4, HERO3+ or HERO3. With three 58 mm filtered lenses, a protective metal frame and carrying case, go ahead — jump in with both feet. **Manufactured with a wide circular glass lens to prevent mechanical vignetting in SUPERVIEW MODE**