58mm Filter Adapter for GoPro Hero3/3+/4This brand new product is one of the coolest innovations for the GoPro Hero3 and Hero4 cameras. It mounts directly over the camera's housing, and provides internal threads for installation of a 58mm filter in front of the camera, effortlessly! Within seconds, you can install swap any color filter like red, magenta, polarizer, neutral density, etc. No screws to remove, simply snap the adapter in place by pressure. It fits the contour of the housing