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| 20-MAY-2010 | Tom Conelly |
These very early petroglyphs are associated with the Archaic period -- c. 8000 years before present to 2000 BP
| Full EXIF Info | |
| Date/Time | 20-May-2010 13:38:49 |
| Make | Canon |
| Model | Canon EOS 7D |
| Flash Used | No |
| Focal Length | 42 mm |
| Exposure Time | 1/250 sec |
| Aperture | f/5 |
| ISO Equivalent | 160 |
| Exposure Bias | 0.63 |
| White Balance | |
| Metering Mode | matrix (5) |
| JPEG Quality | |
| Exposure Program | manual (4) |
| Focus Distance | |
| comment |