1、Professional Design: This ND lens filter 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、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. 4、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. 5、Combination Set: The set includes three different strength levels of ND filters, ND16, ND64, ND256, allowing you to freely choose according to your needs and meet different shooting requirements. Item Type: ND Lens Filter Set Material: Optical Glass, Aluminum Alloy Weight: Approx. 28g/1.0oz Compatible Model: Suitable for Osmo Pocket 3 Action Camera 3 x ND Filters 1 x Storage Box