Circular Polarizer Cpl Filter & Adapter Ring For Nikon Coolpix B700 P610 P600 P530 P520 P510 Digital Camera - Camera Filters - AliExpress
Amazon.com : 67mm Multi-Coated 7 Piece Filter Set Includes 3 PC Filter Kit ( UV-CPL-FLD-) and 4 PC Close Up Filter Set (+1+2+4+10) for Nikon CoolPix P900, P950 Digital Camera : Electronics
P900 - polarizer test (Hoya kit): Nikon Coolpix Talk Forum: Digital Photography Review