Zeiss 135mm f/2 APO-Sonnar vs Nikon DC-Nikkor 135mm f/2D
To my review of the Zeiss 135mm f/2 APO-Sonnar in Guide to Zeiss is added an extensive comparison of the Zeiss 135/2 APO-Sonnar to the Nikon DC-Nikkor 135mm f/2D.
The test scene is not particularly appealing, but it is highly instructive.