This is a photo of the Mesquite Flate Dunes at sunrise. I used a Nikon D 7100 with a Nikkor Zoome Lens (18-200mm.) with a Gitzo Tripod and Arca Swiss Head. With a Hoya Circular Polarizer, the ISO was 200, F/18, 1/15th second exposure, and a 200 mm. focal length.