There are quite a few articles talking about the comparison between the LEE Big Stopper and B+W ND110 that are available on the net .
Lee Big Stopper 10 stop ND v’s B+W 3.0 10 stop ND filter by Mattlauder.
Having to say so, nothing is better than testing out and doing the comparison by myself and sharing my findings with my fellow photographers and photography community.
Here are some shots taken by Nikon D300.
Setting as follows :
Exposure : Manual Mode
ISO : L1 (100)
Aperture : f16
Shutter Speed : Bulb Mode (Exposure of 151 secs)
White Balance : Auto WB for both shoots
All shots taken in Nikon RAW format.
Taken with B+W ND110
Taken with LEE Big Stopper