etching ink, water soluble wax crayons, 16"x 20" The Prophet Cometh II Mono print of a crow, black etching ink highlighted with water soluble wax crayons. Technical Details Camera: Canon EOS-1Ds Mark II Taken: February 12, 2013 Focal length: 110mm Aperture: f/16 Exposure: 1/125 second ISO: 100