1、The ND filter can be adjusted among 5 stops(ND2, ND4, ND8, ND16, ND32), by rotating to change the ability of reducing light, for various shooting situations. 2、With three size(58mm / 67mm / 72mm) for option, suitable for different camera lenses. 3、Self locking design, when rotated to Min or Max end, the frame is automatically locked, which facilitates dimming and positioning and avoids the shadow of black \"X\" cross. 4、In a strong light environment, to blur the background, thus showing the main body; Get normal exposure combination under strong light conditions; Perfect for shooting of waterfall, lake surface, flowing clouds \u0026 etc, help you to take amazing photos. 5、Made of premium optical , with enhanced green film, waterproof and scratch resistant; Aluminium alloy frame, CNC machining process, no vignetting, ultra-thin \u0026 ultra clear. 6、Self locking design, when rotated to Min or Max end, the frame is automatically locked, which facilitates dimming and positioning and avoids the shadow of black X cross. The K&F CONCEPT Neutral Density (ND) Filter has the same and uniform ability to reduce the light of different wavelengths, won't affect the color of the object, Can truly reproduce the appearance of the scene; Adjustable design from ND2 to ND32, we can adjust the ND value by rotating the lens, which makes it easier for us to shoot in different situation. Adopt premium optical , waterproof & scratch-resistant; With it, you can get ideal shooting effects and avoid carry of a bunch of filters, so practical. Features: The ND filter can be adjusted among 5 stops(ND2, ND4, ND8, ND16, ND32), by rotating to change the ability of reducing light, for various shooting situations. With three size(58mm / 67mm / 72mm) for option, suitable for different camera lenses. Self locking design, when rotated to Min or Max end, the frame is automatically locked, which facilitates dimming and positioning and avoids the shadow of black "X" cross. In a strong light environment, to blur the background, thus showing the main body; Get normal exposure combination under strong light conditions. Perfect for shooting of waterfall, lake surface, flowing clouds & etc, help you to take amazing photos. Made of premium optical , with enhanced green film, waterproof and scratch resistant; Aluminium alloy frame, CNC machining process, no vignetting, ultra-thin & ultra clear. Specifications: Brand: K&F CONCEPT Material: Optical Type: Variable Neutral Density (ND) Filter Variable Range: ND2-ND32(ND2, ND4, ND8, ND16, ND32) Diameter: 58mm / 67mm / 72mm(Optional) Package Size: 11.9 * 11.7 * 2.6cm / 4.7 * 4.6 * 1in Package Weight: 160g / 5.6oz Note: Only the ND filter is included. Package List: 1 * ND Filter 1 * Storage Case 1 * ND Filter 1 * Storage Case