Equinox 30.5mm Underwater Color Filter for Green Water (Freshwater)

This Equinox 30.5mm Underwater Color Filter for Green Water (Freshwater) color correction filter has a 30.5mm thread. The filter alters the green color of fresh cold water to give your subject a rich, natural tone. The filter also enhances the contrast of underwater video and photographs. The filter works exceptionally well in shallow depths up to 60'. The filter should be used with available light only.