Feature: 1. Professional Compatibility: This 4 in 1 lens filter set is specifically designed for Osmo Pocket 3 action cameras, providing more imaging space for photography and capturing excellent scenery. 2. Neutral Density Filter: The ND filter can suppress strong light, prevent overexposure, resist scattered light, and increase color saturation, making the image more transparent and vibrant. It can achieve effects like misty water and night light trails. The larger the number, the strong the light reduction effect. 3. CPL Filter: The CPL filter can eliminate non metallic reflections, enhance color saturation, picture clarity and expressiveness, make the picture more transparent, restore the true colors, the sky is bluer, the water is clearer, suitable for photographing the scene behind the glass, clear and transparent water and underwater creatures and so on. 4. HD Coating: The filter adopts high definition anti scratch coating technology, providing better clarity and avoiding scratches on the surface of the lens. It also has an oil repellent layer to prevent oil and stains, allowing water to form beads and repel them. 5. Convenient to Carry: The ultra thin metal frame provides a lightweight design, and the filter comes with a storage box that allows you to easily transport and store the filters in your pocket or backpack. It features a magnetic installation method, making it quick and simple to use. Specification: Item Type: 4 in 1 Lens Filter Set Material: Optical Glass, Aluminum Alloy Weight: Approx. 74g/2.6oz Compatible Model: Suitable for Osmo Pocket 3 Action Camera. Package List: 4 x Filters 1 x Storage Case