Wow, this is beginning to become a discussion I'm not going to bother bickering about. First off, When you use 1dmkIV the focusing point is so large that it covers at least too much of those fine lines on a chart to be even remotley accurate. Second of all, it must be at a larger distance to see what happens. I have countless times been really upset when I have fiddled around with charts and moirÃ© patterins at 1m or 2m and getting it PERFECT, then turn around and shot a black and white super-high contrast road sign outside, perfectly level and everything (I'm not a noob at this) and it's waaay off, I keep shooting that sign and also the bottom of the sign as that is much easier to see where the dof hit the asphalt, and clearly see the dof moving back and forth, then I just leave it where it hits sharp (which is usually a whole other MA setting then before) and go back to the moirÃ© pattern, or test chart and find that it hits EXACTLY the same spot as the first time, only now it's a very different MA adjustement, and what do you know, now it works at a distance too. Adjusting at mfd will never be accurate enough. At Northernlight they suggest you use at LEAST 50 times the focal to adjust.
So whatever works for you, fine! But do not tell me that my method doesn't work, and for me it works much better, because aiming in between very long and very short distance to subject I get sharp POF on ALL distances. I did so with these lenses: ef 14L II, 24 1,4LII, 50L, 85L (twice) 70-200 II, 300 f2,8 L IS. That's the way it was and always will be.