Canon EF 17-40mm / 1: 4.0 L USM Lens (77mm filter thread) (Accessories)
Hello photo-friends For a week now I'm testing my new favorite lens, the Canon 17-40mm 1: 4 L USM Beautifully in color, contrast and image effects - so the photos look so. I use it on an EOS 5D Mark II on full frame. And yes, the corners are very mud