Can be something in camera make part of picture look blurry? when i focus long distance. is next to impsossible belive two different lenses have this.(18-55mm/f2.8-4 and 16-80mm/f4). and i mean with x-t20. and i meansomething else than sensor dirttiness i dont see anything and i used tools what are clean up sensor. i feel veryliekly not is my subject becouse with anoteher older body (non Fuji but Nikon) does not have it. oddly even i think i dont get this with 55-200mm/f3.8-4.8 i feel. or is these lences field curvature is so bad is impossible shoot godo landsacpes based photos what i seen net no is not. oddly even other things photograph finely.