I did aperture series for both the D4 and D800E with both the Zeiss 100mm f/2 ZF and the Nikon 105mm f/2.8G. Here are the results: The Zeiss’s best aperture on the D4 is f/5.6 and on the D800E is f/8. However, the differences are tiny. The Nikon 105 works best at f/8 on both… [Read More]