I have seen several post that f5.6 was the sweet spot for the E2P. I did a number of tests in both 6k and 4k looking at the images side by side on a 24" 4k monitor and found that not to true for my particular camera.
Have others that have actually run tests found f5.6 to be the sharpest?
Have others that have actually run tests found f5.6 to be the sharpest?