Canon 35mm f/1.4L II Aperture Series: Welding Rig View to Tailings Piles
Get Canon 35mm f/1.4L II at B&H Photo.
For reasons which will become clear soon enough, I was shooting the Canon EF 35mm f/1.4L II on my last trip.
In my review of the Canon 35mm f/1.4L II Aperture in Advanced DSLR:
Canon 35mm f/1.4L II Aperture Series: Welding Rig (Canon 5Ds R)
Includes images up to full resolution from f/1.4 through f/11.