Buy from Amazon.com : http://fave.co/1xlvcgV
52mm Multi-Coated 3 Piece Filter Kit (UV-CPL-FLD) Wide Angle Telephoto Lens For Gopro Hero3
Product Description :
Compatible with GoPro Hero 3 Hero4 Housing and Camera
New deluxe 52mm wide angle Telephoto lens
Premium Rimmed Glass
UV filter absorbs ultraviolet rays to produce crisp clear photographs