100-300mm does close-up. DOF example. Lizard
This uncropped image was taken from about 2m with an aperture of 5.6.
ISO 640 and shutter speed 1/2000th second, with a GH2.
Shot fairly late on a Sydney autumn afternoon. Sandstone rocks.
I think the DOF could hardly be better for this shot - I'm tickled pink!
Sometimes we forget that long telephotos are not restricted to subjects a long way away.