Absorbing 4 stops of light this filter helps Provide a balanced exposures and better depth-of-field control. High-Trans Titanium Filters have very high transmissive properties 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.