Amazon.com : (2 Pack) ParaPace Lens Replacement Kit for GoPro Hero 5/4 Session Protective Lens Repair Parts (Black) : Electronics
New Uv Filter Protective Lens Replacement For Hero5 Gopro Action Camera Accessories - Buy Lens Replacement For Hero5,Uv Filter,Gopro Action Camera Accessories Product on Alibaba.com
GoPro Hero Lens Replacement - iFixit Repair Guide
10 FRONT PROTECTIVE LENS REMOVAL AND REPLACEMENT - GoPro Hero 5 Black - YouTube