SAVEoN Gopro Lens Adapter with Fisheye & FLK Ultimate Lens Bundle Fits Hero Hd 4 .45x Wide Angle Lens Attachment for 52mm Filter Thread. The GoPro Dive case and Skeleton Case are NOT compatible with this kit. 2x Telephoto Lens Attachment for 52mm Filter Thread. Telephoto Professional Series Lens - When your digital camera can't get you quite close enough to the action, this 2x telephoto accessory lens will bring the action twice as close to you. It's perfect for all your long-distance photos of sporting events; candid portrait shots, as well as nature and wildlife photography. This is the ideal lens attachment for sports fans and parents whose kids play sports. 3 Piece Filter Kit includes: UV Filter (Ultraviolet). CPL Filter (Circular Polarizer). FLD Filter (Florescent Filter).