Create a perfect balance of exposure while capturing images of landscapes and seascapes with the LEE Filters 150 x 170mm Very Hard-Edge Graduated Neutral Density 0.6 Filter. This neutral density filter has dark edges and clear middle that allows you to darken extremely bright areas of the image without affecting the remaining portion. This filter has a very hard-edged line of transition that gives a sharp transition between areas of an image making it useful for images such that include a precise horizon such as seascapes. It has up to 4x Filter Factor and provides 2-stop reduction of light entering the lens.