Winter Hiking near Spruces – Big Cottonwood Canyon Posted on 07/26/2010 by Johnny Kurtz Shooting Info Camera used was a Phase One 645AF with a Phase One Canon EOS-1Ds Mark III Digital Back The lens was a Phase One 85mm, Aperture was ƒ/1.8, Shutter Speed was 1/4000, © Johnny Kurtz Photography on January 18, 2010, 2:09 pm.