For reasons not readily explained, I have always found the 105 relatively easy to manually focus even on the terrible D3200 screen, compared to others. The 85/2.8micro and old 85/1.8 are both difficult, and the 50/2 nearly impossible, the 135/2.8Q poor, but the 200/4Q pretty good. The 28/3.5 is not too bad, the 35/2.8 poor, but the 35/2.8PC very good. Maybe it has to do with the way the lens renders edges or something, or maybe it's all psychological. It's hard to tell whether the best image makers focus the best, or the best focusing ones make the best images. Anyway, the 105/2.5 is grand, and it's clear from the pictures above that the example here is working nicely.