For DJI OSMO Action 3 4 TELESIN ND CPL Filter Set Aluminium Alloy Frame Lens 1. Lightweight and durable aluminum alloy frame, while maintaining rigidity, extend the service life and reduce weight. 2. The contact part with the lens is made of silicone, which can effectively protect the camera lens and at the same time have a fixed effect 3. The lens is made of Schott glass with multi-layer coating on the surface. It has a highly uniform refractive index and high refractive index, color fidelity, no dark corners. 4. Eliminate polarized light, so that the texture of the image is more prominent 5. A great tool for landscape photography, giving you the sense of shock you want. Use ND filter to reduce exposure and increase shutter speed 6. Compatible models: for DJI OSMO Action 3 7. Size: 39.6 x 6.65mm 8. Weight: 6.78gpc Package includes: -CPL filter x 1 -ND8 filter x 1 -ND16 filter x 1 -ND32 filter x 1 -Box x 1