65x magnification ratio increases the field-of-view over 40% and reduces shooting distance; Large dome lens allows easy capture of above-below water split shots; Corrects barrel distortion and improves edge-to-edge sharpness; Lens can be attached/removed while underwater; Scratch-resistant PMMA Acrylic Dome lens; Waterproof to 130ft / 40m; Includes neoprene dome lens cover and protective pouch; Works with SportDiver UW smartphone housing