The Eyes Have It

On Sunday, June 15th I published my review of the new Sony A7s. With regard to the camera's dynamic range, and Sony's claim of 15 stops of DR, I wrote...
"Based on these tests as well as my day-to-day shooting I do not see any obvious differencein dynamic range between the two camera. Many people had speculated that the larger pixelsof the A7s would produce wider dynamic range capability. Not that I can detect. It will take someonewith a full testing lab to determine if there is any gain in DR or not, but I don't see it'.
This did not sit well with some people. I must be blind, they wrote, or worse.
But, when I test equipment I do something that puzzles some people – I trust my eyes. I may not be the world's finest observer, but decades as a photographer, teacher, writer and reviewer have given me some ability to judge image quality. I don't have a sensor test bench, but I just didn't see any advantage in terms of DR to the 12 Megapixel A7s over the 36 Megapixel A7r.
Then, ...