[JJ_SO]

   Hey I guessed it first time.. 

 

  Background bushes seem to be the 105's Achilles heel;

 

 https://www.dpreview.com/forums/thread/4063454

 

  Behind the sundial.

 

Well, it's a bit abusing the lens. Being portrait specialist, I think the best proportions in distance for headshots are different from the ones we see in the picture. I don't want to defend an insanely priced product of China, but with some effort you can find weak spots in each lens design.