K&F Concept Nano-X 67mm ND2-ND32 Green Multicoated Variable ND Filter This Nano-X ND2-ND32 Green Multicoated Variable ND Filter from K&F Concept is an 67mm variable neutral density filter providing an adjustable light reduction of 1 to 5 stops. It darkens the entire image evenly, allowing a photograph to be made with a wider aperture or slower shutter speed than normally required. By slowing the exposure time or increasing the aperture, it is possible to control the depth of field and convey blurred movement easily, creating a dynamic look for streams, waterfalls, landscapes, and more. This multicoated variable neutral density filter does not affect the coloration of the image, and it features a waterproof and scratch-resistant coating for durable performance in the field. Key Features: Made by Optical Glasses, reduces the intake of light without affecting the overall colour balance 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 Ultra slim rim design preventing wide angle vegetating. Extra tough aviation aluminium frame ensuring durability and jamming prevention.