NiSi Filter Swift System FS ND Kit (FS ND8+FS ND64+FS ND1000) This kit can be used on lenses with 67, 72, 77 and 82 mm filter thread.Full-Spectrum ND Filters for pure neutral colors to capture true-to-life images. Different colored frames for easily identifying each filter strength. Blue = FS ND8 = 3 Stops Green = FS ND64 = 6 Stops Orange = FS ND1000 = 10 StopsCompatible to use with all filters in the NiSi Swift system. One NiSi Swift FS ND filter can be used on lenses down to 16mm focal length (Full Frame) without vinjetting. In combination 2 NiSi Swift FS ND filter can be used on lenses down to 17mm focal length (Full Frame) without vinjetting. In combination 3 NiSi Swift FS ND filter can be used on lenses down to 19mm focal length (Full Frame) without vinjetting.An advanced nano coating is used to repell water, grease and dirt and makes the filter easier to clean. A thin filter ring assures that there is no risk of vignetting when used on wide-angle lenses. The filter ring is made from high-quality aluminum creating a very light and strong filter. The new NiSi Swift adapter rings in the kits allow different filter thread lenses to use the same size of Swift FS ND filter.Available for lenses with 40.5 95 mm filter thread. Package includes: 1x NiSi Swift Filter FS ND8 (3 Stop) 1x NiSi Swift Filter FS ND64 (6 Stop) 1x NiSi Swift Filter FS ND1000 (10 Stop) 1x NiSi Swift Adapter Ring 67 mm 1x NiSi Swift Adapter Ring 72 mm 1x NiSi Swift Adapter Ring 77 mm 1x NiSi Swift Adapter Ring 82 mm7x NiSi Swift Front Cap 1x NiSi Swift Pouch for FS ND Kit