softness: me, glass, or camera?
I am getting lots of soft images from my D90 with Tamron 18-270 mm f/3.5-6.3 9the older model). Normally I shoot my kids but I do not want pics of them online, so attached are some landscapes, they illustrate my problem even better since there's no motion blur. These jpeg are OOC.
I find my lens often had problems with the autofocus, I just can't get the subject in focus as shown by the monkey:
So, is this me (I mainly use shutter priority or automatic if shooting kids as full manual will make me miss the shot) or the glass? What suggestions can you offer?