The Tiffen 138mm Streak Effect 2mm Grid glass filter (drop-in) produces a unique light streak effect from a light source, reflective metallic surface or water surface.nnSimilar to a star filter, but where a star filter will create a pattern of light beams, the Streak effect will only generate a single radiant beam.nnNote: Tiffen Streak filters are available with 2mm and 3mm line spacingsnnn- The star effect will be more pronounced with a brighter and larger sourcen- Adds drama for special effects imagesn- Gives an impression of motion but will not produce any blurnnnSpecifications nn