72mm Star-Effect Cross Filter Starburst Twinkle Effect Tiffen Filters 4 6 8 Point Set for Canon Nikon Star filters are used to translate brightness of the sun, blinks of light on the water, reflections, etc. into a culturally readable image.Can be used in combination with other filters for remarkably creative effects It emphasizes glaring sunshine reflected by the sea and bring brilliant atmosphere to night scenery. Generates longer beams with a lens with longer focal distance Function:Creates a star pattern, In which lines radiate outward from bright objects; The number of stars varies by the construction of the filter, as does the number of points each star has Suitable for night scenery, gemstones, glassworks, metal works photography where star-like effect is needed to add an elegant touch to the photo or video projects Various Filter Choices:4 Points Star Filter /6 Points Star Filter /8 Points Star Filter can generate 4/6/8 radiation lights, and in practice, only stronger point light source can create star shapes