![hello reddit, if I stack these ND8 and ND4 filters on each other and put them on the GoPro, would it be the equivalent of an ND16 or brighter/darker? the ND8 is hello reddit, if I stack these ND8 and ND4 filters on each other and put them on the GoPro, would it be the equivalent of an ND16 or brighter/darker? the ND8 is](https://preview.redd.it/mxd40gj6uot81.jpg?width=640&crop=smart&auto=webp&s=68920d2ccb04494f0bca75eadb7de04c212fe21f)
hello reddit, if I stack these ND8 and ND4 filters on each other and put them on the GoPro, would it be the equivalent of an ND16 or brighter/darker? the ND8 is
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GoPro 4 Rumors Roundup: Reddit Thread Giving GoPro Users a Glimpse of the Upcoming Hero 4 : Trending : JubileeCast
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