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Ritz Gear? 37mm Premium HD MC Fader ND Filter With SCHOTT OPTICAL GLASS

Product Description :
High Quality German SCHOTT Optical Glass
12 Layer HD Multi Coating Offers 2 - 2000 Stops of Neutral Density
Water Repellent Smoothly Rotates to Whatever Density You Need
Holds Optical Quality at All Settings Does Not Affect Coloration of The Photo
No Need to Purchase Separate ND Filters