| Camera Maker | Canon | Camera Model | Canon EOS-1Ds Mark III |
| Aperture | f/2.8 | Exposure Value | 0 EV |
| Exposure Program | Manual | Exposure Time | 1/1600 sec |
| Flash | No Flash | Focal Length | 70 mm |
| ISO | 400 | Metering Mode | Pattern |
| Date/Time | 2011:10:18 12:01:09 | Resolution Unit | Inch |
| X Resolution | 240 dots per ResolutionUnit | Y Resolution | 240 dots per ResolutionUnit |
| Compression | Jpeg Compression | Exposure Mode | 1 |
| Subject Distance | 2.25 | Keywords | Robert Cornelius historic marker Pennsylvania United States attraction destination display education information landmark marker photography sign tourist United States of America Philadelphia attractive educating historical marker Historical Site Historical Sites info metallurgist Paul Beck Goddard Philadelphia County 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 appealing no people PA sightseeing text attract history nobody sightsee US word daytime destinations displays historic markers landmarks markers signs Jason O. Watson / historical-markers.org tourists appeal color image educate historic outdoor USA vertical day historical markers metallurgists road sides tourist attractions tours colour image historical outside U.S. day time U.S.A. day-time words color images daylight outdoors verticals colour images natural light outsides historic site sign with text |
| Caption | ROBERT CORNELIUS This metallurgist and brass founder opened one of the world's first photographic studios here in the spring of 1840. His collaboration with chemist Paul Beck Goddard in successful experiments to reduce exposure times made it possible to use the camera in portraiture. Pennsylvania Historical and Museum Commission, 1994 |