Tiffen Hollywood Star Filters create multiple points of light, or "stars," streaking outward from a central light source. These filters come in a Rotating mount for critical placement of the star effect. Hollywood Star Effects are best used with a point light source such as a candle, match, streetlight or match. They are used to frequently achieve a romantic sense or specific mood. For those who shoot weddings, you'll find this filter quite useful. Tiffen, a leader in the filter industry, proudly makes its filters in the USA and backs up its products with a solid 10-year warranty. The effect is produced by a series of thin lines etched into the flat optical surface of a clear filter Exciting and dazzling star effects generated from original point or reflected light sources with the added glitter and sparkle of these exclusive, natural looking asymmetrical designs and shapes Great for water scenes, candle flames, street lights, and more Tiffen offers 4, 6, and 8 point symmetrical star effects as well as additional asymmetrical star patterns through their exclusive Hollywood FX Series (North, Hyper, Vector and Hollywood star effects)