Feature: 1. UV Filter Function: UV filter can filter UV and stray light, showing a more realistic color and can prevent dust, oil, fingerprints and direct contact with the lens, effective protection of the lens. 2. CPL Filter Function: CPL filter effect is mainly to eliminate non metallic reflections, increase the concentration of color sky blue, highlight the white clouds to make the picture more transparent, improve the clarity and expressiveness of the picture, present clear and transparent water and underwater objects, etc. 3. ND Filter Function: The effect of ND filter is to reduce exposure, that is, the use of ND filter in scenes where the light is too bright can reduce the light into the lens, you can use a slower shutter shot. the larger the ND value, the higher the degree of light reduction. 4. Optical Glass: The use of optical glass, high definition light transmission, oil and dirt resistant, with scratch resistant coating. 5. Quick Disassembly: The filter for DJI Action 3 is non destructive quick disassembly, lightweight design, strong and durable. Specification: Item Type: Camera Lens Filter for DJI Action 3 Material: Metal Aluminum, Optical Glass Color: As Pictures Shown Weight: Approx. 120g / 4.2oz Applicable Models: for DJI Action 3 . Package List: 1 x UV Filter1 x CPL Filter1 x ND8 Filter1 x ND16 Filter1 x ND32 Filter1 x ND64 Filter1 x Storage Box