This one is of decent quality.
DCR-CF187PRO High Definition Circular Fisheye conversion lens for Digital & High Definition Cameras
Note that by saying that I just mean that it is better than the usual garbage brands. The quality is nowhere near a real fisheye.
DCR-CF187PRO High Definition Circular Fisheye conversion lens for Digital & High Definition Cameras
Note that by saying that I just mean that it is better than the usual garbage brands. The quality is nowhere near a real fisheye.