Fort Donelson Powder Magazine Archive October 2011 Image 35/176 Oct 07, 2011 15:01 Original Metadata Camera Model:Canon EOS 20D Original Time Taken:Oct 07, 2011 15:01 Shutter Speed:1/125 sec Aperture:f/7.1 ISO Sensitivity:200 Exposure Compensation:0 EV Metering Mode:Average Flash Fired:No Flash Focal Length:18 mm Reconstructed