The high-quality WFL-02 ultra wide-angle interchangeable lens is designed to be used with cameras with lenses as wide as 24mm (35mm equivalent) without noticeable vignetting. With this conversion lens you can get almost 150 degree, sharp from corner to corner. With a 52mm thread, which fits over the housing's port and can be installed and removed while UNDER WATER. Can be used on 52mm threaded lens ports, or other lens ports by using an adaptor. Popular examples include the Olympus OM System Underwaterhousing and Others. Specifications: Waterproof up to 60 meter or 200 Feet Magnification 0.47x Lens Construction: 5 groups - 5 elements Focal lenght: infinity (only underwater) Mounting: M52 thread Lens Coating: Anti reflection and water repellant coating Material: Corrosion resistant aluminium alloy lens body with black hard anodize Weight: 690/255 g (air/water). Dimensions: 150mm X 80 mm Optical grade polycarbonate resin dome Optical glass lenses with multi layer BBAR coating Comes with carry case, neoprene dome cover and read cap Original Box and warranty (until March 2026) included Has not been used due to cancelled scuba holiday