The Apricot hard edge graduated filter is a pale orange filter, which give a subtle warming effect. It is available in 3 densities, 1,2 and 3. These filters are clear in the bottom half of the filter with a gradual transition to the color effect in the top half. They are primarily used for skylines of landscape shots. Different graduated color filters can be used in combination together or with solid color or neutral density filters to give interesting bespoke effects. This 100mm filter is usable with Hitech 100mm holder systems or any 100mm (4") holder. The filter is also available in 85mm, 150mm and 165mm sizes. Hitech filters are made from the highest quality 1.5mm optical resin.