Ha.....but I already have a 16 stop ND filter.....Baader film....I haven't tried it on waterfalls yet...
I've just used it for a few shots of the solar eclipse and venus transit of the sun last year...
Venus Transit 2012 -5267 by kayaker72, on Flickr
Last edited by Kayaker72; 10-17-2013 at 11:54 AM.