Helps photographers effectively absorb red light when shooting underwater, improving the colour contrast and expressiveness of the DJI Osmo pocket picture underwater. Made with SCHOTT Optical Glass Fast attachment with magnetic attraction design Multilayer Coating ensures oil-proof, and anti-scratch protection Made of aeronautic aluminum, the frame features a premium feel to the touch The OSMO Pocket multi-layer vacuum coating Schott glass Pro filter series can effectively enhance the flexibility of the camera in different lighting environments; meeting diverse needs in several scenarios. The red anodized pro filters align perfectly with the camera and in the elegant box due to the magnets in their aviation aluminum frame.