A few weeks ago, Sony asked me if I wanted to do a quick test run with the (at that time) unannounced Sony a7R IV. I was pleasantly surprised as I (and I am sure many others) expected the a7S III to come out first. I agreed and was excited to be one of the first in the world to test the new camera. Full disclosure: The author, photographer Albert Dros, is a Sony Global Ambassador of Imaging. I was…