• Hoya 77mm ProND1000 Filter

The PROND1000 has a 10-stop light reduction equal to a ND optical density of 3.0. The ACCU-ND technology in the Hoya PROND filters yields a truly neutral color balance that will not add any noticeable color-cast to your images. The Hoya PROND series is aimed at the still photography and HDSLR video markets. The series provides 9 filters from two stop to 10 stop light reduction. The HOYA PROND 1000 is an extremely dark neutral density filter with a filter factor 1000. This filter factor converts to a 10 stops reduction on the amount of light entering the lens. With this extreme filter motion is greatly blurred or depending on the speed some moving subjects will disappear altogether. With a ND filter as strong as the PROND 1000 shutter speeds as slow as 16 seconds or more are possible in daylight.

• 10-Stop Light Reduction
• 3.0 Solid Optical Density
• Permits Increased Exposure Length
• Metallic ACCU-ND Coating
• Clear Optical Glass Construction
• One-Piece Aluminum Ring