TianYa Slim Graduated Neutral Density Filter (ND8)is a graduated neutral density filter that helps to specifically darken skies and other bright areas of the image. The filter is densest at the edge and tapers to clear by the middle. Neutral density filters do not affect the coloration of the image and the 0.9 density provides a 3 stop reduction in light from entering the lens.
Filter thread: 77mm
Reviews TianYa Slim Graduated Neutral Density Filter 77mm (ND8)