The evolution of back pain
On September 22, 2009 by Donncha With 0 Comments
- Canon 20D, Photography, Photos, San Francisco, Sigma 10-20, Street, United States, Urban
A small poster advertises a survey on back pain. It’s a 3 year programme and since this was taken in 2007 it’s nearing completion now!
Taken somewhere in San Francisco.
| Aperture | ƒ/4 |
| Camera | Canon EOS 20D |
| Focal length | 10mm |
| ISO | 100 |
| Shutter speed | 1/160s |