UV Filter: Reduce haze and improve contrastto your video and digital imagesby minimizing the amount ofultraviolet (UV) light.Especiallyuseful in areas of high altitude,snow, or beach, eliminating theundesirable blue cast. top levelof transmittance. CPL Filter: Removes unwanted reflections fromnon-metallic surfaces such aswater or gla and glare from thesun.Increases color saturation,creating deep, rich scenicimages.Helps to reduce the amountof light entering the lens. ND filter: Reduces the amount of light coming into the sensor, giving you the freedom to create your own work by allowing more contbol of the camera's aperture, exposure time and sensor sensitivity settings.The numbers in the back represent the dimming level. Star filter: This is a Point line Star Filter. Add some sparkle to your night shots, city skylines, street scenes, lamp posts, streetlights, car headlights, candle lights, and gaslights, any place. there's sources of points of light. 1 x Filter (Not include the camera)