ProOptic 52mm Digital Essentials Filter Kit PRO-FL-52-KIT - Adorama
Hoya ProND EX 3-Filter Kit (52mm) XPD-52NDEXKIT B&H Photo Video
Amazon.com : NEEWER 52mm ND Lens Filter Kit, UV + Circular Polarizer(CPL) + ND4 Filters Optical Glass Aluminum Alloy Slim Frame UV Filter Polarizing Filter Neutral Density Filter Set for 52mm Camera
Moment 52mm VND 6-9 Stop (600-097) - Moment
NiSi SWIFT FS ND Filter Kit with ND8 (3 Stop), ND64 (6 Stop) and ND1000 (10 Stop) for 52mm | 55mm | 58mm | 62mm Filter Threads + Case | NiSi Optics USA
Amazon.com : NEEWER 52mm ND/CPL/UV/FLD/Close Up Filter and Lens Accessories Kit with ND2 ND4 ND8, Close Up Filters(+1/+2/+4/+10), Tulip Lens Hood, Collapsible Rubber Lens Hood, Lens Cap, Filter Pouch : Electronics