UltraPro Variable ND Fader Neutral Density Adjustable Variable Filter (ND2 to ND400) Neutral Density (ND) filters can reduce the intensity of light without appreciably changing its color. Classic ND filters have different f-stop reduction numbers and transmittance thus generated can be applied for different shooting conditions, such as portraiture, water falls, fountain etc. This Variable Neutral Density filter reduces intensity of all wavelengths or colors of light equally, giving no changes in hue or color rendition. The purpose of standard photographic neutral density filters is to allow the photographer greater flexibility to change the aperture, exposure time and/or blur of subject in different situations and atmospheric conditions. Instead of reducing the aperture to limit light, the photographer can add a ND filter to limit light, and can then set the shutter speed according to the particular motion desired and the aperture set as needed. Features: * Neutral density can be adjusted from ND2 to ND1000. It is easy to create different neutral density by rotating the ring. * Apply slow shutter speed under strong sunlight exposure. * Large aperture is available to create depth of field easily. * Suitable for dynamic screen, waterfalls, streams, waves, etc. * Index marks on the edge of filter for exact adjustment. Specifications: * Type: Fader ND * Color: Black * Rotating: Yes * Neutral Density Grade: 2 - 400 * Material: High Quality Optical Glass
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