Nisi ND64 is an 6f stop filter, resulting in a 1.563% light transmission For example an exposure of 60 seconds at f/16 would be possible with an ND64. Without the filter, you would have to use f/2 to get away with a 60-second image, or less than a second at f/16. They are used in daylight to smooth out waterfalls or surf scenes for example.
6 f stop Neutral density filter Light transmission of 1.563%
|What's in the box||
One 100x100 ND 64