K&F Concept 77mm Ultra Slim Variable Adjustable Graduated Fader Neutral Density Filter MRC 18 Layer Optical Glass Nano Coating Waterproof ND2 ND4 ND8 ND16 to ND32 Lens NO Spot X Black Issue

✿Material✿ ND Filter: Made by Completed Professional Optical Glasses instead of Optical Resin. filter reduces the intake of light without affecting the overall color balance. ✿NANOTEC✿ our optical engineers developed new Nano coating layer technology， Waterproof, scratch-resistant, anti-reflective green coating, effectively prevent from oil, fingerprint, scratch, protect valued lens. ✿No "X" cross on images✿ Say goodbye to the "X" cross on images, K&F utilize cutting edge technology you're going to say goodbye to this common issue with wide angle lenses and variable ND filters. ✿Professional Design✿ ultra slim rim design preventing wide angle vignetting. Extra tough aviation aluminum frame ensuring durability and jamming prevention. ✿NOTE✿ This Filter kit is compatible with all 77mm lenses. Please verify your camera's lens thread size(usually marked somewhere on the lens barrel or printed underneath the lens cap) before ordering.This number is always preceded by a "Ø" (diameter) symbol. For example: Ø77 = 77mm lens thread size.