Fangrui Product Details 1. For Gopro Hero12 Black 11 Black 11 Black Mini 10 Black 9 Black Puluz 52mm Uv Nd2-400 Filter With Adapter Ring(black) 2. Features 3. For Gopro Hero11 Black Hero10 Black Hero9 Black 4. The Function Of The Nd Filter Is Mainly To Reduce The Amount Of Light Entering The Camera And Bring More Exposure Options; 5. Installation And Disassembly, Quick And Convenient 6. The Nd Filter And Uv Filter Also Protect The Camera Lens, Which Has A Certain Dust-proof Effect 7. All Ring 52mm Camera Lens Filters, Can Be Installed On The Action Camera Adapter 8. Note: When The Adjustable Nd Filter Is At The Junction Of The Two Limit Values, A Cross Shadow May Appear When Shooting. 9. Specifications 10. The Adapter Ring Is Aluminum Alloy, Cnc Machining; 11. Interface Size: 52mm 12. Nd Frame Material: Aluminum, Anodized, Laser Engraved 13. Nd Lens Material: Optical Glass, Polarizing Film 14. Adjustable Range Of Nd Mirror: Nd2-nd400 15. The Function Of Nd Light Reduction Filter: The Main Function Is To Reduce The Amount Of Light Entering The Camera And Prolong The Exposure Time. It Is Mainly Used For Slow Shutter Landscape Photography And Large Aperture Portrait Photography Under Bright Light! 16. Package List 17. Adapter Ring X 1 18. Nd Filter X 1 19. Uv Filter X 1 20. Lens Cap X 1 21. Hex Wrench X 1