Wallpaper – Rock swish by Jason Prahl | Feb 2, 2012 | Blog, Wallpaper Click image for 1920 x 1080 version. You may use this image for personal use only. Please contact me for business use. Camera: NIKON D7000 Taken: 31 October, 2011 Aperture: ƒ/8 Focal length: 10mm ISO: 250 Shutter speed: 1/1000s