K&F CONCEPT 72mm Variable ND Lens Filters Set 1-5 Stops & 5-9 Stops-2PCS

Light Reduction FunctionThe ND filter's main function is to via rotating the stops, control the entry of light without affecting the overall color balance, for long exposure, and motion blur techniques in changing light. ^^ No X CrossK&F Concept utilizes cutting-edge technology with a self-lock filter frame while the filter rotating to the Mini (ND32) or the Max (ND512) will hard stop, the filter support no vignetting on wide-angle and telephoto lens ( no more than 16mm). ^^ 28 Multi-Layer CoatingsBoth sides of the glass with nanometer coatings, are waterproof and scratch resistant, effectively reduced the reflectivity and glaring, with no color cast of the image.

^^ Imported AGC GlassMade by import Japanese AGC optical glass, CNC-non slips 7.6 mm lightweight aviation aluminum frame design preventing wide angle vignetting. ^^ NOTEThis Filter is compatible with all 72mm lenses. Please verify your camera's lens thread size before ordering. The number is always beside the "" (diameter) symbol.