Where to buy - 10 stop ND for Cokin P?

Formatt/Hitech do one, but they are prone to flare and colour casts. Do a search and a few recent threads should come up.
 
davekiddle said:
Hi, does anyone know where I can buy a ten stop ND filter to fit the Cokin P system?

Thanks.
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I wouldn't tbh. I've got a Lee slot in filter kit and have tried using it with very dense ND filters, with not great results. Due to the length of exposure, you end up getting light leakage and light reflecting between the filter and the lens, causing banding and other problems. For high density ND filters, I would stick to the tried and tested, light tight screw in filters.
 
Happy Snapper said:
Not sure but couldn't you use an ND8 & ND2 would that work?
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That would only be 4 stops. An ND8 is 3 stops and an ND2 is 1 stop. You could get 9 stops from 3 ND8's, but I wouldn't recommend that either.
 
Messiah Khan said:
I wouldn't tbh. I've got a Lee slot in filter kit and have tried using it with very dense ND filters, with not great results. Due to the length of exposure, you end up getting light leakage and light reflecting between the filter and the lens, causing banding and other problems. For high density ND filters, I would stick to the tried and tested, light tight screw in filters.
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Yes I can see where you're coming from. OK thanks, looks like a screw in with step down rings then. :D
 
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