58mm ND4 Graduated Neutral Density filter + JB Digital Microfiber Lens Cleaning Cloth Include: 1 x ND4 58mm Graduated Neutral Density filter / 1 x JB Digital Microfiber Lens Cleaning Cloth. IMPORTANT NOTE: Before your purchase please verify and sure that the measure of your camera lens correspond at the size of the accessory that are you buying. The measure in your camera lens is the diameter of your lens, generally it has this notation ( 58mm) and it is in the front of your camera lens. Graduated ND filters affect two aspects of a photograph: Dynamic Range. One is able to capture scenes whose range of brightness exceeds the capabilities of your camera. Local Contrast. GND filters decrease the contrast between extreme light and dark regions, the contrast within each region actually increases  thereby improving the appearance of color and detail.