St. Louis Arch Tilt Shift by Jason Prahl | Aug 16, 2013 | Photo - CityStuff, Photo - Tilt Shift, Photoblog Camera: NIKON D7000 Taken: 7 July, 2013 Aperture: ƒ/5 Focal length: 18mm ISO: 200 Shutter speed: 1/1250s