GOBE ND32 Filter - Pro Square 100 X 100. The Cokin system has been around since 1978 and is considered the most complete interchangeable filter systems in the world. This filter is for the Cokin Z system which is a modular design - it fits into a holder which in turn attaches to the front of your lens via a special adapter - this item is JUST the filter, you will need the other parts to use it to its full potential.
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