Get 3x closer and 43% wider field-of-view; Optical design corrects barrel distortion and improves edge-to-edge sharpness; Works with SportDiver Lens Adapter (SL081), SeaLife DC2000, Olympus and other UW housings with 52mm lens port; 7x wide-angle conversion; Fully multi-coated optics for maximum light transmission; Lens can be attached/removed while underwater; Precision 4-element/4-group high-grade optics (internal optical glass); Polycarbonate Dome lens with scratch-resistant hard coating; Waterproof to 200ft / 60m; Includes neoprene dome lens cover, rear lens cap and protective pouch