I use Lucroit system for my Sigma 8-16 and I am so happy with the quality of the filters (Hitech) as well with the designed of the holder.
Still people don\'t know Hitech Filters has improved a lot, I see amazig shots taken with Lucroit and filters Hitech. (not really mine, but I am woriking on it . You can see in the links below. click here
What I\'ve heard is IR filter ND 10 Pro Stop gives better results than Lee Big Stopper, you see the dominants in this pic. I think this will clear any doubts.. this pic
May 07, 2013 at 09:31 PM
Previous versions of Ormy's message #11537773 « Zeiss 15mm support group? »
. You can see in the links below.