The lee 100mm neutral density nd 03 graduated very hard filter set contains three 100x150mm graduated resin filters 03 06 and 09 that allow the photographer to adjust exposure by 1 2 and 3 stops over part of the image without affecting colour balance the very hard nd grad is perfect for scenes such as seascapes that feature a defined horizon line the transition between the coated and clear sections of the filter is extremely sharp allowing for precision separation between the filt