Amazon.com : 72mm Variable Fader ND2-ND32 ND Filter and CPL Circular Polarizing Filter for Tamron SP 35mm f/1.4 Di USD : Electronics
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Professional 58MM UV CPL ND4 Lens Filters Kit and Altura Photo ND Neutral Density Filter Set. Photography Accessories Bundle for Canon and Nikon Lenses with a 58MM Filter Size
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Neewer 49MM Professional UV CPL FLD Lens Filter and ND Neutral Density Filter(ND2, ND4, ND8) Accessory Kit for Sony Alpha A3000 and The NEX Series Cameras | Neewer | Photographic Equipment and
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49mm Neutral Density Filter ND 8 Filter and CPL Circular Polarizing Filter 2 in 1 for Camera Lens MultiResistant CoatingUltra Clear Waterproof ScratchResistant - Newegg.com