36 Telescopes Album A Tour of Rock City Image 51/204 Sep 25, 2012 09:54 Original Metadata Camera Model:Canon EOS 50D Original Time Taken:Sep 25, 2012 09:54 Shutter Speed:1/640 sec Aperture:f/9 ISO Sensitivity:400 Exposure Compensation:0 EV Metering Mode:Pattern Flash Fired:No Flash Focal Length:171 mm