Thread: Filters (GSO)
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Old 11-02-2014, 10:30 AM
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cometcatcher (Kevin)
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Join Date: Jan 2005
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A neutral density filter makes everything darker (light at all angles). That is it's only function. A polarising filter makes light darker that hits it from an angle but lets direct light through, much like polarising sunglasses if you've ever used those.

See here. http://en.wikipedia.org/wiki/Polariz...photography%29
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