K&F Concept SN25 100x100mm ND1000 10 f-stop Square Filter Multi Coated For DSLR
SKU: KF01.912
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Hi, SN251 is an upgraded version of SN25, SN25 has ceased production.
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hello , the filter is 100*100, so it can work with Cokin Z series filter holder
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the ND1000 filter is 100x100mm , i thinl it is ok