Originally Posted by
MiniChris
Soft would imply a focus point slightly in front or behind where you actually focused. This could be related to several things. 1. you could have a lens not properly calibrated for sharpness. It doesn't happen often, but it does happen. 2. you could be using manual focus and not have your viewfinder diopter properly set to your eyes optical value. 3. in post processing, you didn't do an output sharpening.
I found that each of your three images seems to suffer from this malady, so suspect it is more likely 1, or 2.