D4 shadows with the Sekonic step wedge

Just to make sure that there were no problems with my methodology, I reran the tests in the preceding post with a Nikon D4.

The results:

As expected. Each corrected data line is pretty much on top of the others.

Here’s the closeup of the errors:

Not only are the errors small, the direction is what you’d expect if the noise floor were the major contributor, not the other way round as with the M240.