Weefine Diving Equipment WFL02 ultra wide-angle interchangeable lens is designed to be used with cameras with lenses as wide as 24mm (35mm equivalent) without noticeable vignetting. The scuba gear lens is constructed from 4 high-quality low dispersion optical glasses and a hard coated polycarbonate dome to correct unwanted aberration. All the glass lenses have been coated with (BBAR) broadband anti-reflection coating, which is perfect magnification subject underwater of diving gear.