The Nuances Extreme Reverse Graduated kit Includes: Reverse Graduated GND4S 2-stop Reverse Graduated GND8S 3-stop Reverse Graduated GND16S 4-stop 3 filter cases The Nuances Extreme Reverse Graduated filters allows up to 4 stops of light compensation with a soft transition from the middle of the filter where it is most dense and fades to the top, the reverse of a normal graduated filter.