ND Adjust ： It can provide "1.5/2/3/4/5" five gear rotate adjustment neutral density filter darkens the entire image area to easily photograph with a longer shutter speed for added blur or to convey more movement. | Effect：Neutral density filter for camera Its density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required. By slowing your exposure time or increasing your aperture, you can control depth of field and convey movement more easily. | Nano coating ：This filter is constructed from optical glass for clarity and color fidelity. each glass surface includes multi-coating of anti-reflection coatings, The Nano coating associated provides an additional layer that results in an improved beading effect when the surface comes in contact with water or oil, allowing for more efficient cleaning. | Frame：Ultra slim an aluminum alloy ring ensures durability while allowing the filter to remain lightweight.Can support the use of camera and SLR Lens A plastic case is included for storage and transport. | Other：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.If you have any questions about Haida products, you can contact us at any time