Hi list,
I had a question that none of my friends could answer exactly (we all
had our guesses :D).
What happens if you stack for example 2 ND8 filters? Will it be ND16 or
ND64 equivalent?
So I decided to order 2 more ND8 filters from EBay and done a test. But
during the tests I found out that ND filters are not that Neutral
Density as they should be...
More at my photoblog: http://15kb.blogspot.com/2010/02/nd-anomaly.html
Regards,
.timber
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