THE IDEA BEHIND THE ND: Is that they are supposed to be totally neutral in color, cutting down the amount of light passing through the lens without changing the color of the resulting - THE VARIABLE FILTER: Is adjustable from ND2 to ND400.
- Compatible With CANON EF 50mm f/1.4 USM 75-300mm f/4-5.6 III, 24mm f/2.8 IS, 28mm f/2.8 IS USM Lens, Canon EF 28mm f/1.8 f/2, 100mm f/2.8 Macro, 75-300mm f/4-5.6 III, 85mm f/1.8, 70-300mm f/4-5.6, 70-300mm f/4.5-5.6 DO IS USM Lens