This Item Includes: 1. UV Lens Filter 2. Circular Polarizing Filter 3. Flourescent Filter 4. Filter Pouch 5. Nw Direct Microfiber Cleaning Cloth. Lens filters are translucent pieces of glass placed in front of a camera lens to alter or adjust the light entering the camera and more importantly to protect the camera lens. Lens filters improve photographs by giving photographers control over light and allowing them to emphasize the features of a scene that they consider most important.