HOYA 72mm PRO ND1000 10 Stops Neutral Density Filter New & Boxed (Single Item) This is for one filter. Only the others are there for display purposes and are available for sale if in stock Neutral density filters are designed to reduce the amount of light entering the film or image sensor. For long exposures, wide apertures, and flexible light control in extreme light conditions, neutral density filters are recommended as essential. The ND1000 reduces light by 10 stops.
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