Neutral Density Filter Kit, made up of
Standard Neutral Density filters in the following densities: 0.3, 0.6, 0.9
NDs are made in different grades according to the level of light reduction. The standard grades are 0.1, 0.2, 0.3, 0.6, 0.9 and 1.2. Heavier densities can be manufactured to order.