Cokin Super Zoom Filter Kit P, with Filter holder P, 72mm Adapter Ring, Star 4 #P057, G1 Grey Graduated #A120, Diffuser 2 #A84, for use with 28-200mm Zoom Lenses.

For shorter focal lengths 20-24 or 28mm as well as for wide-angle zooms (24-50mm, 28-85mm, 35-135mm) System P is strongly recommended. It is available in diameters ranging from 48 to 82mm and eliminates vignetting (dark edges).