Review of Nisi 100nn Square Filter


Senior Member
Jul 5, 2008
Tiong Bahru
I have given up on square filters after experiencing light leaks problem on my Formatt Hitech filters many years ago.
Nisi, a relatively new brand caught my attention while I was browsing the internet. Results from online reviews were great. I have decided to give these filters a try, so I went down to SLRR to pick up a set of filter holders and 15 stops Neutral Density filter.
Why a 15 Stops ND? This is because I already have 10 and 6 Stops ND from Heliopan and B+W.
After a brief while with the 15 Stops ND, I was very impressed and went back to pick up a 10 and 6 Stops ND.

1. First impression and Packaging

I am not a big fan of fanciful packaging, but the Nisi filters came in a nice brown leather like box (for the filter holders & adapters) and leather case for the filter itself. You may also purchase a leather filter box for about $30+.

Everything seems well made, the filter holder is made almost entirely from aluminium, less the slots itself. The slots were made from plastic (quality seems good). Overall, the build quality of the filter holder feels better than the offering from Lee.

All 3 filters comes with a gasket to prevent light leak. The material feels better than the ones on Formatt Hightec I had many years ago.

The Filter Package includes
i) Filter Holder in a 82mm thread
ii) a CPL (which I haven't get to use)
iii) 77mm, 72mm, 67mm step up ring

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