The design team at Backscatter spent more than a year perfecting the ultimate macro lens for GoPro, Backscatter Flip +15 Macromate Mini w 55mm Filter Holder. Don't be fooled by imitations. The +15 MacroMate Mini follows an 18-year product design of premium underwater optics and rugged construction. No plastic mounts to break and only the highest grade multi-element optics receive the FLIP and MacroMate brand. The +15 MacroMate Mini threads into the FLIP 55mm adapter, INCLUDED. Go professional with a FLIP color correction filter and a +15 MacroMate Mini at your fingertips. The world's greatest and most versatile GoPro lens system has just evolved.