K&F Concept 58mm Variable ND Filter+CPL Circular Polarising Polarizer Filter 2 in 1 Function Graduated Fader Neutral Density Filter MRC 18-Layer ND2 ND4 ND8 ND16 to ND32 No Spox X Issue. ✿Material✿: Made by Completed Professional Optical Glasses Germany B270 instead of Optical Resin.
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