Underwater ultra-wide conversion lens. It converts a standard 60mm (35mm Equivalent) camera to a maximum 154.8o field of view ultrawide angle camera system. The lens can work with the DSLR housing and the compact camera housing with a long lens port. It gives a better flexibility on choosing the camera and the camera housing without compromising the fisheye field of view underwater. Note: Weefine insists all dealers have the same Recommended Retail price, please contact me for current pricing.