Had a fun night-shoot with Catherine this evening. I love the bokeh (quality of blurring) on the lights in the background. You can see how thin the depth of field is - Catherine's face is sharp but both hands are well outside the depth of field.
This was using the 5DII with the 85L II.
Canon EOS 5D Mark II, f/1.2 @ 85 mm, 1/125, ISO 800, Flash