GoPro Lens Replacement Kit HERO Session. GoPro Lens Replacement Kit HERO/HERO5 Session::Don't sweat the small stuff. GoPro has you covered with the Lens Replacement Kit for its line of HERO products. This kit contains everything you need to replace the glass lens cover on your Session. Includes one replacement lens cover, a seal, screws and a screwdriver-everything you need for hassle-free repairs.