The lee seven5 starter kit contains a 06 neutral density hard grad filter and a lee seven5 filter holder the filter features a hard graduation from dark to light and is designed to reduce exposure by 2 stops without affecting colour balance nd grads enable you to balance light intensity in one part of a scene with another for example when photographing a landscape in which the sky is much brighter than the foreground placing the neutral density part of the filter onto the sky in the frame