Amazon.com : PhotoHighQuality Wide Lens + Tele Lens + Tube Adapter Bundle Compatible for Nikon CoolPix P520 Camera : Electronics
Amazon.com : Nikon COOLPIX P520 18.1 MP CMOS Digital Camera with 42x Zoom Lens and Full HD 1080p Video (Black) (OLD MODEL) : Point And Shoot Digital Cameras : Electronics
User manual Nikon Coolpix P520 (English - 244 pages)
Amazon.com : PhotoHighQuality Photo Wide Lens + Tele Lens + Macro Close Up Set + Tube Bundle, Compatible for Nikon CoolPix P510, CoolPix P520, Digital Camera : Electronics
LL1608 LA 62P520 62mm UV CPL ND Filter Thread Lens Adapter Ring For Nikon Coolpix P510 P520 P530 Camera Lens|Lens Adapter| - AliExpress
Uv Filter & Lens Hood Cap Adapter Ring For Nikon Coolpix B700 B600 P610 P600 P530 P520 P510 Camera - Camera Filters - AliExpress