【15X Close Up Lens】 Get closer to the subject at a distance from 7 to 10 cm, much shorter than the minimum focusing distance of ordinary camera lenses, magnifying your images at a ratio of 15x to capture exciting details of a new micro cosmos world with plants, animals and more | 【Designed for Action Camera】 Customized for action camera series, and seamlessly compatible with GoPro Hero 11 Black Hero 10 Black Hero 9 Black. Simply twist to mount the filter on the action camera, and effortlessly make a quick, easy swap to another filter when needed | 【Anti Reflective Multi Coated HD Optical Glass】 The premium high definition optical glass ensures your close up shots with high clarity. The anti reflective multiple coatings on both sides of the lens reduce glare and ghosting while retaining vibrant color and enhanced contrast | 【Sturdy Aluminum Alloy Frame】 The black anodized aviation level aluminum alloy frame with CNC non slip design is robust, durable, and anti rust. At just 0.43oz/12.2g, lightweight and easy to carry around for outdoor photography | 【Note】 This Hero 11 10 9 macro lens is not waterproof, and cannot be used underwater with the waterproof housing or camera.