Reduces the amount of light that passes through the lens by 1-8 Stops. Allows the use of slow shutter speeds, with high speed films or digital cameras, to record movement/image blur in subjects such as waterfalls, clouds or any fast moving subject The Zomei variable ND filter operates on the same principle as a circular polarizer just rotate until you reach your desired effect and shoot. It offers you continuous control over the amount of light coming through your lens by 1 (ND 0.3) to 8 (ND 2.4) stops while maintaining the integrity of your image.
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