Features: - Made of good quality aluminum alloy, the lens is solid, durable and rustless. - This 2X professional telephoto conversion lens has high definition optical resolution. Put this lens on your camera and it instantly doubles your zoom. - You just screw this lens on front of existing lens or adapter. Easy to install and remove. - Waterproof, scratch-proof, oil-proof. Exquisite design, lightweight and portable. - It fits any camera with 37mm lens thread. 46 mm front thread for filter installation.