Graduated Neutral Density Attenuator/Blender 0.6 Filter

Product Highlights: Densest at one edge where it corresponds to a reduction of light entering the lens by 2 stops and tapering to clear at the other edge Darkens bright areas of an image, such as skies, while the remaining regions of the image are exposed with a progressively decreasing effect Maximum 0.6 density corresponds to a 4x filter factor and 2-stop exposure reduction Constructed from optical glass for clarity Noncoated Aluminum-alloy filter ring assembly for durability while remaining lightweight Rotatable filter ring assembly allows for gradation positioning along the horizon line Plastic case included for storage and transport