I would usually guess user error myself, but only the close shots are in focus, and anything further away has no sharpness - across the whole roll. On top of that, all the close shots are also slightly out (focus falling behind subject), leads me to think it's the lens.
@nefarious, have you had your eyesight checked recently? A long time ago something similar had happened to me, and I thought it was the lens. It wasn't the camera lens, but my own eyesight that had begun to slip a bit.
I would usually guess user error myself, but only the close shots are in focus, and anything further away has no sharpness - across the whole roll. On top of that, all the close shots are also slightly out (focus falling behind subject), leads me to think it's the lens.