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