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K&F Variable ND Filter 72mm (Fader ND8–ND2000) — Neutral Density Photography Filter
Summary description:
Variable neutral density (ND) filter by K&F, 72 mm thread size, adjustable from ND8 to ND2000 (Fader). Designed to reduce light entering the lens for longer exposures, motion blur, and wider-aperture use in bright conditions. Useful for landscape, long-exposure, and videography applications where controlled exposure and depth-of-field are required.