11, if you open it wider, the blurring intensifies and very strong HA appear! I realized that this model is suitable for entry-level learning to hunt on targets with a maximum speed of 350-400 km / h (small aircraft, transport workers), and the F / 11 aperture requires good weather conditions (or high ISO = high noise) for more than 3 + Php? fbid=681248888663782&set=pb20220223360305394 &type=3&theater Php? fbid=680419845413353&set=pb20220223360305394 &type=3&theater the rest is there