This is a photo of sunset over the Grand Canyon from Hopi Point. I used a Nikon D 7100 with a Nikkor Zoom lens (818-200 mm.) and a Lee. 9 Soft Graduated Neutral Density Filter. The ISO was 250, F/16, 1/25th Second Exposure, and a Focal Length of 26 mm. I used a Gitzo Tripod and Arca-Swiss Head.