Hoya 77mm PROND ND 1000 Neutral Density (10 STOPS) Filter

Reduces the light entering your camera lens by 10 stops
Permits wider apertures and slower shutter speeds to be used
ACCU-ND coating for truly neutral colour balance. The metallic ACCU-ND coating on the prond filters do not color shift as you move from one density to the next
Allows you to reduce depth of field for portraits
Low-profile aluminium ring avoids vignetting