77mm Variable ND2-ND32 (1-5 Stop) & Black Mist 1/4 Filter 2-in-1, 28 Multi-Layer Coatings - Nano-Xcelcel Series

SKU: KF01.1815

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Hi, the orange putter is to help adjust the filter more conveniently, if you remove it, the cpl and nd will seperate,will effect to use it. 
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Hi, this is a multi-fuctional nd & black diffusion 1/4 filter 2-in-1, so it couldn't be seperated, you can order a single black diffusion filter, thanks. 
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Hi, this filter support use the lens cap on it, if the magnetic with thread, also can be screwed on the lens, thanks.