XCSOURCE Filter Kit A Rose Color Filter + 52mm Filter Adapter + Lens Cleaning Cloth For Gopro Hero 3+/Hero 3 Plus LF357 Under sea Diving filter set with 52mm Adaptor for GoPro Hero3+ Made by CNC, the material is Aluminum Alloy. Allows you to mount UV lens, gradient filter lens, polarizing lens of diameter on to the GoPro Hero 3+ HD video camera. The 52mm Filter also compatible with any camera lens with 52mm filters thread.