The Hitech 4 x 4 inch 0.9 Reverse ND Graduated 3 Stop Filter offers the transition from dark to light from the middle of the filter (i.e. in reverse). This is a benefit when shooting bright horizons to enable more control over the exposure and balance the foreground image.
|Neutral Density||0.9 (Reverse)|
|Filter Size||4 x 4 inch / 101.6 x 101.6 mm|