Vortex Posted by Mike on October 9, 2013 VortexNikon D5100, Sigma 17-70mm f/2.8-4, 0.5s, 24mm, f/20, ISO 100 Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on Tumblr (Opens in new window) Tumblr Click to email a link to a friend (Opens in new window) Email Click to print (Opens in new window) Print Like Loading...