Creat a 4 point star effect from any direct or reflected point light source. Great for water scenes, candle flames and product shots and more. This is a High-Trans Titanium Filter that has a very high transmissive propery by utilizing multicoatings and a Titanium oxide component. These filters are mounted in a light weight metal ring with a matte black anti reflective inner ring and a Titanium finnish outer ring to identify the titanium oxide componenet in the filter. The new coatings for this filter increases hardness and reduces the suceptibility to smearing.