Capturing images without the excess exposure of the sky is made possible with the 100 x 150mm Medium-Edge Graduated Neutral Density 1.2 Filter from LEE Filters. This neutral density filter is designed for 100mm System Filter Holder. It has a medium-edged line of transition that has a dense edge and clear middle, which allows you to filter the exposure of sky on the land without compromising on the coloration of the image. It has an up to 16x filter factor with a 4-stop reduction in the exposure that enters the lens.