27-13 common - TOKS Big 4 - Winter 2012/13 - Chicago River - Roscoe Swim - Chicago, IL - 12/6/12 - Dr. Frank Rink
By FJR1
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Photo Information
- Taken with Canon Canon PowerShot SD780 IS
- Focal Length 5.9 mm
- Exposure Time 1/400
- f Aperture f/3.2
- ISO Speed 80