77mm Circular Polarizer Filter Nano-Dazzle Series - 24 Multi-Layer Green Coatings HD/Hydrophobic/Scratch Resistant

SKU: KF01.1792

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The Nano-X series with 28 multi-layer coated, waterproof and scratch-resistant, and the D-Series is 24 multi-layer coatings and waterproof, the K-Series is 18 Multi-Layer Coatings, without waterproof and scratch-resistant coating. 
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There is no designated filter factor either on the CPL filter itself or on the manufacturer's web site. CPLs usually have either a 2 or 4 factor and this cpl filter helps enhance the color and contrast, especially on blue sky and white cloud photography. 
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Hi, the filter size only related to lens size, if your Nikon lens is 52mm, this filter can fit it ,thanks