B0828953GL 2.2X High Definition Super Telephoto Lens for GoPro?HERO4 + 3 Piece Filter Kit + Lens Adapters + Nw Direct 5 Piece Cleaning Kit (Includes 2 Adapters for Using with and Without Housing)

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2.2x High Definition Telephoto Lens
Optimized For Mega Pixel Photography
High Definition Digital Lens
MultiCoated Optical Glass
Extreme Speed Auto Focus