This is the SeaLife Super Macro Lens for DC Series Underwater Cameras Features: Close focusing: 1.5 from subject +10 diopter, 2-element optical grade lens with broadband anti-reflective coating Includes SL977 52mm Adapter for mounting lens to any SeaLife DC-series housings 52mm lens also attaches to any underwater housing with 52mm mounting threads Quick and easy push-on attachment on land or underwater Works with SeaLife DC2000 and, DC1400 and all previous DC-series cameras Depth Rating: 200ft/60m Durable anodized aluminum construction The Super Macro Lens captures stunning macro images from 1.5" to 4" (4cm to 10cm). The lens features a 2-element optical grade lens with anti-reflective coating and durable anodized aluminum construction with rubber press-on lens mount. This 52 mm lens also attaches to any underwater housing with 52mm mounting threads. Includes 52mm adapter (SL977), safety lanyard and protective pouch. "