Amazon.com : Nikon Coolpix P520 High Grade Multi-Coated, Multi-Threaded, 3 Piece Lens Filter Kit (62mm) Made by Optics + Lens/Filter Ring + Krusell Multidapt Neck Strap + Nwv Direct Microfiber Cleaning Cloth :
Circular CPL Kalman Filter Python Adapter Ring For Nikon CoolPix B700 P610 P600 P530 P520 P510 Digital Camera Q230905 From Tonightt, $5.84 | DHgate.Com
UV Filter Lens Hood Adapter ring For Nikon B600 B700 P610 P600 P530 P520 P510 | eBay
NiSi 82mm Filter Adapter Ring for S5/S6 (Nikon 14-24mm F Mount and Tamron 15-30) | NiSi Optics USA
NiSi 82mm Filter Adapter Ring for S5/S6 (Nikon 14-24mm F Mount and Tamron 15-30) | NiSi Optics USA
EveryMarket
ADAPTER RING to CAMERA NIKON COOLPIX B700 P600 P610 62mm / RING to FILTER | eBay
Nikon Coolpix P520 Pro Digital Lens Hood (Flower Design) (58mm) + Filter/Hood Adapter Ring + Nwv Direct Microfiber Cleaning Cloth. - Walmart.com