K&F 95mm Variable ND Filter ND2-ND400 (9 Stop) Lens Filter Waterproof Scratch Resistant Nano-X Series

* Optical Glass Construction for Clarity ? This ND filter is made of Japan-made top optical glass, effectively reduced reflection from the filter itself and glaring, ensuring a high-quality image and does not affect your images in any way.
* Nanotec Coating ? Both glass sides of K&F Concept ND filter are multi-coated by the state of art Nanotec coating technology, so the filters are waterproof, oil-proof, and scratch-resistant, protecting your camera lens for an outdoor shooting.
* No Vignetting & Dark Corner ? For the filter designed with ultra wide-angle design, the ultra slim frame only 7.4mm, supporting in 16mm telephoto and wide angle lens no vignetting , due to the different in lens type and focal length so this filter might be met dark?X? cross , this isn?t quality problem , it can disappear via rotating the filter.
* 30-Day No Reason Return ? Please verify your camera?s lens thread size before ordering. Your camera?s lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a ??? (diameter) symbol.