Slideshow: 
   
 
6/18/2010 3:59:55 PM

Caption
Mike Engle pulling into the crux of Twinkie (5.10c) in the Hostess Gully, Castle Rock, Castle Rocks State Park, Idaho
Model
Canon PowerShot G9
Exposure time
1/320 s
F-number
f/4
ISO speed ratings
ISO 80