Equinox offers Bluewater and Greenwater color correction filters. The Equinox Color Correction Filters bring to life the complete color spectrum under water. The Equinox Color Correction Filters need only natural sunlight to restore the 'Beauty from Beneath'. Both filters are ideal for all video, still and digital cameras from depths between 10 and 70+ feet The filters can be used as a drop in, push on or threaded screw on attachment.