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Thread: difference between ND 8 and ND 4 filters?

  1. #1
    Member fairy bombs's Avatar
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    difference between ND 8 and ND 4 filters?

    Hey folks.

    Just looking at some ND filters,many say the ND 8 is very useful,so I might get one soon.

    But what about ND 4 filters,what are they used for,I have seen many lovely rainforest creek

    images,and the photographer's have used the ND 8,not sure what a ND 4 is used for.

    Should I get both?or just the ND 8

    Thanks FB
    Canon 50D and 450D - Canon 10-22 F3.5-5.6, 17-55 F2.8 L, 70-200 F2.8 L, 400 prime F5.6 L, 60mm F2.8 macro, EX 430 Flash,and all sorts of other bits and pieces

  2. #2
    Account Closed
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    difference is 1 stop............... and used the same as ND8 or with the ND8

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    Account Closed reaction's Avatar
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    1 stop, and if you don't know what they're for, maybe you shouldn't buy one until you do.
    not that you look like $ is an issue with all that gear!

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    Member keefsmit's Avatar
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    Hi, I have used Nd8 filters for making scenes darker so I can obtain the correct exposure at slow shutter speeds. For example, to photograph ocean waves so they will appear blurred when falling over rocks at a 1/2 sec and still have an aperature of f16 for depth of field. It would be similar for waterfalls etc on a well lit scene.

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