my problem with neutral density filter.

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AndrewIsUsingTheNX1000
AndrewIsUsingTheNX1000 Junior Member • Posts: 39
my problem with neutral density filter.

so,i bought 4 cokin P ND filters,1-2-3-4 stops. i attached 1,3 and 4 stops to my camera,and set the exposure to 20 secs,but thats not my problem. the problem is,after processing,my picture is a bit purple. i set to 30,its shinier and more purple,mostly on the sky and the sun. was that ultra violet rays?what should i do to not to get that purple light thing during the exposure?does uv filter work in this case?

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Samsung NX1000 Panasonic Lumix DMC-ZS20 Samsung Galaxy S5
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