Bower FN72 Variable Neutral Density Filter 72 mm (Black) 72mm Variable Neutral Density Filter Compatible with 72mm filter threads including: Canon 15-85mm, 18-200mm, 28-135mm, 85mm and Nikon 18-200mm lenses. Allows Use of High ISO Bright Light , Selective Focus and Motion Blur Allows Use of Wide Apertures in Bright Light Limited Lifetime Manufacturer Warranty