| Camera Maker | Canon | Camera Model | Canon EOS-1Ds Mark III |
| Aperture | f/4 | Exposure Value | 0 EV |
| Exposure Program | Manual | Exposure Time | 1/1000 sec |
| Flash | No Flash | Focal Length | 62 mm |
| ISO | 400 | Metering Mode | Pattern |
| Date/Time | 2011:10:18 12:24:07 | Resolution Unit | Inch |
| X Resolution | 240 dots per ResolutionUnit | Y Resolution | 240 dots per ResolutionUnit |
| Compression | Jpeg Compression | Exposure Mode | 1 |
| Subject Distance | 1.89 | Keywords | Oldest Photograph historic marker Saxton photo photograph attraction cigar box destination display education information landmark lens marker sign tourist Philadelphia attractive Central High School cigar Daguerre educating historical marker Historical Site Historical Sites info Joseph Saxton Philadelphia County photos Place of Interest Places of Interest road side Road sign Roadside signage tour tourism tourist attraction Tourist Destination Tourist Destinations travel Travel Destination Travel Destinations U.S. Mint Pennsylvania appealing box no people photographs sightseeing text United States attract history nobody sightsee word cigar boxes daytime destinations Jason O. Watson / historical-markers.org displays historic markers landmarks lenses markers signs tourists United States of America appeal color image educate historic outdoor vertical cigars day historical markers road sides tourist attractions tours colour image historical outside boxes day time PA day-time US words color images daylight outdoors USA verticals colour images natural light outsides U.S. U.S.A. historic site sign with text |
| Caption | OLDEST PHOTOGRAPH America's earliest surviving photograph was made here about Sept. 25, 1839. Using a cigar box and crude lens, Joseph Saxton of the U.S. Mint created an image of Central High School (now demolished) shortly after Daguerre had announced his process in France. Pennsylvania Historical and Museum Commission, 1989 |